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UNE 37-153-1986 《铜C-1130 冷拉伸无焊接用于制冷和空调的圆管测量,允差,机械和电力特点以及供应的技术特点》.pdf
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UNE371531986
C1130
拉伸
焊接
用于
制冷
空调
圆管
测量
机械
电力
特点
以及
供应
技术
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