
DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND VALVES - EXTERNAL ZINC-BASED COATINGS - PART 2: ZINC-RICH PAINT COATING WITH FINISHING LAYER
出版:International Organization for Standardization

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DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND VALVES - EXTERNAL ZINC-BASED COATINGS - PART 2: ZINC-RICH PAINT COATING WITH FINISHING LAYER
出版:International Organization for Standardization
专家解读视频