GB/T 8923.1-2011 standard english preview version PDF file download
GB Standard Code
GB/T 8923.1-2011
Standard Category
China National Standards
GB Standard English Title
Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previou
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