
BS EN ISO 21809-5 - PETROLEUM AND NATURAL GAS INDUSTRIES - EXTERNAL COATINGS FOR BURIED OR SUBMERGED PIPELINES USED IN PIPELINE TRANSPORTATION SYSTEMS - PART 5: EXTERNAL CONCRETE COATINGS
出版:British Standards Institution

專家解讀視頻
BS EN ISO 21809-5 - PETROLEUM AND NATURAL GAS INDUSTRIES - EXTERNAL COATINGS FOR BURIED OR SUBMERGED PIPELINES USED IN PIPELINE TRANSPORTATION SYSTEMS - PART 5: EXTERNAL CONCRETE COATINGS
出版:British Standards Institution
專家解讀視頻