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ASTM A220/A220M-99(2009) Standard Specification for Pearlitic Malleable Iron

  leunghb ·  2009-12-12 13:25  ·  30169 次点击
ASTMA220/A220M-99(2009)StandardSpecificationforPearliticMalleableIron
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标准手册, a220, a220m, standard, specification, pearlitic, malleable

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