
REVISION OF BS 5411 METHODS OF TEST FOR METALLIC AND RELATED COATINGS. PART 1: 1980 DEFINITIONS AND CONVENTIONS CONCERNING THE MEASUREMENT OF THICKNESS
出版:British Standards Institution

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REVISION OF BS 5411 METHODS OF TEST FOR METALLIC AND RELATED COATINGS. PART 1: 1980 DEFINITIONS AND CONVENTIONS CONCERNING THE MEASUREMENT OF THICKNESS
出版:British Standards Institution
專家解讀視頻