sigh007 发表于 2012-3-6 18:52:57

MIL-Z-50976

                   MIL-Z-50976, MILITARY SPECIFICATION: ZIRCONIUM SPONGE (30 SEP 1971) ., This specification covers zirconium sponge (see 6.4) for use in the manufacture of ordnance materials.         
         
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查看完整版本: MIL-Z-50976