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金属切削加工 安全要求
Safety requirements for metal cutting process
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煤矿井下作业人员管理系统使用与管理规范
Specification for the usage and management of the system for the management of the underground personnel in a coal mine
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煤矿井下作业人员管理系统通用技术条件
General technical conditions of the system for the management of the underground personnel in a coal mine
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制冷空调作业安全技术规范
Safety Technical regulations for the Refrigeration & Air-Conditioning
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煤尘爆炸性鉴定规范
Criterion of explosive identification of coal dust
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地勘时期煤层瓦斯含量测定方法
Coalbed gas content measurement methods in geologiccal exploration period
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矿井密闭防灭火技术规范
Technical standard of prevention and extinguish of mine fire by air stopping
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煤矿井下煤层瓦斯压力的直接测定方法
The direct measuring method of the coal seam gas pressure in mine
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广播电视天线电磁辐射防护规范
Specifications for radioprotection against electromagnetic effects of broadcasting and television antennas
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