[国外标准] AS 5052-2007 Prohibiting interested third parties from processing insurance claims. Go to documents.
[轻工行业标准] QB/T 5052-2017 热升华转印纸
[冶金行业标准] YB/T 5052-1993 金刚石岩芯钻探用无缝钢管
[国家标准] GB 5052-1985 刨花铺装机精度