兑水 发表于 2009-11-29 10:06:37

ASTM F 1137-2000 紧固件用磷酸盐/油和磷酸盐/有机防蚀镀层

F1137-00 Standard Specification for Phosphate/Oil and Phosphate/Organic Corrosion Protective Coatings for Fasteners
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