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带电作业用遮蔽罩
Protective covers of insulating material for live working
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带电作业用铝合金紧线卡线器
Aluminium alloy grip clamps of tension wire for live working
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安全帽测试方法
Test method for safety helmet
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个体防护装备 眼面部防护 名词术语
Personal protective equipment.Eye and face protection.Vocabulary
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个人用眼护具技术要求
The specifications for personal eye-protectors
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低压测电器
Low voltage tester
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声学 护听器 第2部分;戴护听器时有效的A计权声压级估算
Acoustics--Hearing protectors--Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn
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声学 护听器 第1部分;声衰减测量的主观方法
Acoustics-Hearing Protectors Part 1:Subjective method for the measurement of sound attenuation
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