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请见附件!
ASTM_B227-04冷拉包铜钢丝.pdf
ASTM_B228-04同心绞捻的包铜钢导线.pdf
ASTM_B229-04同心绞捻的铜与包铜钢丝复合导线.pdf
ASTM_B452-2002_电子设备用包铜钢导线(英文).pdf
ASTM_B910退火铜包覆钢丝电线规范.PDF
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谢谢分享哈!
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