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起重吊运指挥信号
The commanding signal for lifting and moving
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涂装作业安全规程 有限空间作业安全技术要求
Safety code for painting--Technical requirements of safety for working in confined spaces
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涂装作业安全规程 有机废气净化装置安全技术规定
Safety code for painting-Safety rules for purification equipment of exhaust organic gas
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农药贮运、销售和使用的防毒规程
Antitoxic regulations for storage-transportation,marketing and use of pesticides
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涂装作业安全规程 喷漆室安全技术规定
Safety code for painting.Safety rules for spraying booth
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食品添加剂中重金属限量试验
Method for limit test of heavy metals in food additives
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涂装作业安全规程 有限空间作业安全技术要求
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