表5-1-1-1冶煉鉛及鉛合金牌號(hào)和化學(xué)成分牌號(hào)化學(xué)成分(%),≤(特別注明者除外)鉛錠(GB/T469—1995)Pb99.994鉛≥99.994,銀0.0005,銅0.001,鉍0.003,砷0.0005,銻0.001,錫0.001,鋅0.0005,鐵0.0005,雜質(zhì)總和0.006Pb99.99鉛≥99.99,銀0.001,銅0.0015,鉍0.005,砷0.001,銻0.001,錫 (共 580 字) [閱讀本文] >>
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 表5-1-1-1冶煉鉛及鉛合金牌號(hào)和化學(xué)成分牌號(hào)化學(xué)成分(%),≤(特別注明者除外)鉛錠(GB/T469—1995)Pb99.994鉛≥99.994,銀0.0005,銅0.001,鉍0.003,砷0.0005,銻0.001,錫0.001,鋅0.0005,鐵0.0005,雜質(zhì)總和0.006Pb99.99鉛≥99.99,銀0.001,銅0.0015,鉍0.005,砷0.001,銻0.001,錫 (共 580 字) [閱讀本文] >>
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