UDC621.762:669-492H72GB中华人民共和国国家标准GB/T14667.1-93粉末冶金铁基结构材料第一部分烧结铁、烧结碳钢、烧结铜钢、烧结铜钼钢Powder metallurgy iron base structural materials-Part 1Sintering iron,sintering carbon-steel,sintering copper-steel,sintering copper-modenim-steel1993-09-23发布1994-08-01实施国京枝术监督局发布
