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港口门座起重机安全规程
Safety code for the harbour portal crane
价格:¥0.00
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起重机械安装改造重大修理监督检验规则
价格:¥0.00
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冶金起重机技术条件 第2部分:料箱起重机
Specifications for metallurgy cranes--Part 2:Scrap charging cranes
价格:¥0.00
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轻小型起重设备型式试验细则
Type Test Rule for lifting Equipments
价格:¥0.00
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港口装卸机械电气安全规程
Safety rules of electric device for load-unload machine in port
价格:¥0.00
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港口门座起重机安全规程
Safety code for the harbour portal crane
价格:¥0.00
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港口大型装卸机械防风安全要求
Resistance wind safety requirements for the port large size handling machines
价格:¥0.00
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