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Railway applications – Track – Safety protection on the track during work – Part 1: Railway risks and common principles for protection of fixed and mobile work sites
General technical conditions for dust filter and air supply type dust masks
This European Standard specifies the basic requirements of design for the selection of a dust explosion venting protective system. The standard
Dust explosion venting protective systems; English version of DIN EN 14491:2007-08
Technical regulations for green prevention and control of wheat soil-borne diseases and underground pests
Explosion prevention and protection in underground mines - Equipment and protective systems for firedamp drainage; German and English version prEN 14983:2021 / Note: Date of issue 2021-09-10*Intended as replacement for DIN EN 14983 (2007-06).
Explosion prevention and protection in underground mines - Equipment and protective systems for firedamp drainage; German version EN 14983:2007 / Note: To be replaced by DIN EN 14983 (2021-10).
General technical requirements for windproof and dust suppression nets
本文件规定了油气输送管道地质灾害防护的内容、方法和要求,包括调查识别、评价、监测与检测、预警、工程防治、应急抢险、数据管理与移交等。 本文件适用于输送油气介质的陆上钢质管道全生命周期的地质灾害防护。 本文件不适用于城镇燃气管道和炼油、化工等企业厂区内管道
Specification for geohazard prevention of oil and gas pipelines
General technical conditions for dust-filtering and air-supply dust-proof masks
本标准适用于粉尘环境中作业人员为预防尘肺病危害而佩戴的滤尘送风式防尘口罩(以下简称送风口罩
General technical requirements for dust-filtering and air-supply dust masks
Explosion prevention and protection in underground mines - Protective systems - Part 1: 2-bar-explosion proof ventilation structure; German version EN 14591-1:2004
General technical conditions for dust-filtering and air-supply dust-proof safety helmets
本标准规定了地铁隧道防淹门的术语和定义、分类和标记、使用条件、一般规定、要求、试验方法、检验规则、标志、包装、运输和贮存等。本标准适用于下穿水域地铁隧道两端安装的防淹门,其他隧道防淹门可参照执行
Subway tunnel flood gate
Specifications for the assessment and prevention of soil diseases around underground pipelines
Railway applications – Track – Safety protection on the track during work – Part 1: Railway risks and common principles for protection of fixed and mobile work sites
General technical conditions for dust filter and air supply type dust masks
This European Standard specifies the basic requirements of design for the selection of a dust explosion venting protective system. The standard
Dust explosion venting protective systems; English version of DIN EN 14491:2007-08
Technical regulations for green prevention and control of wheat soil-borne diseases and underground pests
Explosion prevention and protection in underground mines - Equipment and protective systems for firedamp drainage; German and English version prEN 14983:2021 / Note: Date of issue 2021-09-10*Intended as replacement for DIN EN 14983 (2007-06).
Explosion prevention and protection in underground mines - Equipment and protective systems for firedamp drainage; German version EN 14983:2007 / Note: To be replaced by DIN EN 14983 (2021-10).
General technical requirements for windproof and dust suppression nets
本文件规定了油气输送管道地质灾害防护的内容、方法和要求,包括调查识别、评价、监测与检测、预警、工程防治、应急抢险、数据管理与移交等。 本文件适用于输送油气介质的陆上钢质管道全生命周期的地质灾害防护。 本文件不适用于城镇燃气管道和炼油、化工等企业厂区内管道
Specification for geohazard prevention of oil and gas pipelines
General technical conditions for dust-filtering and air-supply dust-proof masks
本标准适用于粉尘环境中作业人员为预防尘肺病危害而佩戴的滤尘送风式防尘口罩(以下简称送风口罩
General technical requirements for dust-filtering and air-supply dust masks
Explosion prevention and protection in underground mines - Protective systems - Part 1: 2-bar-explosion proof ventilation structure; German version EN 14591-1:2004
General technical conditions for dust-filtering and air-supply dust-proof safety helmets
本标准规定了地铁隧道防淹门的术语和定义、分类和标记、使用条件、一般规定、要求、试验方法、检验规则、标志、包装、运输和贮存等。本标准适用于下穿水域地铁隧道两端安装的防淹门,其他隧道防淹门可参照执行
Subway tunnel flood gate
Specifications for the assessment and prevention of soil diseases around underground pipelines
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