STAS 2958 2-1971 LEAD BASE AKTIFRICTION ALLOY YP1 98 Dctcrm'nalion of calcium《抗磨铅基合金YPb 98钙含量测定》.pdf

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STAS 2958 3-1971 LEAD BASE AM'IL'HICTION ALLOY Yl'b CJS Dclcrminalioii uf mugucsiuin《抗磨铅基合金YPb 98 镁含量测定》.pdf

STAS 2958 9-1971 LEAD BASE ANTIFRICTION ALLOY YPb 98 Determination of arsenic《抗磨铅基合金 YPb 98 砷含量测定》.pdf

STAS 2942 1-1986 LEAD BASE ANTIFRICTION ALLOY YPb 98 Delermination of magnesium《抗磨铅基合金 YPb 98 镁含量测定》.pdf

STAS 2958 1-1971 LEAD BASE ANTIFRCTIOX ALLOY YPb 98 Gencral directious for carrying oul chemital analysls《抗磨铅基合金YPb 98 化学分析通用实施指导》.pdf

STAS 2958 10-1971 LEAD BASE ANTIFRIGTION ALLOY YPb 98 Determination of bismuth《抗磨铅基合金YPb 98 铋含量测定》.pdf

STAS 2958 5-1971 I.EAD BASK AN'TIFRICTIOX ALLOY VPIv 98 Di'torminalinn of sndium《抗磨铅基合金YPb 98 钠含量测定》.pdf

STAS 2958 6-1971 LEAD BASE ANTIERICTION ALLOY Ypb 98 Determination of copper《抗磨铅基合金 Ypb 98 铜含量测定》.pdf

STAS 2958 7-1971 LEAD BASE ANTIFR1CTI0N ALLOY YPb 98 Dctermination of zinc《抗磨铅基合金YPb 98 锌含量测定》.pdf

STAS 2958 8-1971 LEAL) BASE AXTI1TUCT10X ALLOY Yl'b 98 Dcleniiination of iron《抗磨铅基合金YPb 98 铁含量测定》.pdf

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