ICs25.220.20A29GB中华人民共和国国家标准GB/T6461-2002代替GB/T6461一1986GB/T12335-1990CHINAOF金属基体上金属和其他无机覆盖层经腐蚀试验后的试样和试件的评级Methods for corrosion testing of metallic and other inorganiccoatings on metallic substrates-Rating of test specimens andmanufactured articles subjected to corrosion tests令is010289a989.1Dr2002-09-11发布2003-04-01实施中华人民共和国国家质量监督检验检疫总局发布
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