GB/T 8923.4-2013 China
national
standard english version:
GB
中华人民共和国
国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 8923.4-2013
Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 4: Initial surface conditions 、preparation grades and flash rust grades in connection with high-pressure water jetting 涂覆涂料前钢材表面处理 表面清洁度的目视评定 第4部分：与高压水喷射处理有关的初始表面状态、处理等级和闪锈等级
Issued Date:2013-07-19
Implemented Date:2013-12-01
Issued by:
The Standardization Administration of the People's Republic of China
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