
PIPELINES OF PLASTICS MATERIALS UNDER PRESSURE - SCREWED JOINTS OF METAL FOR PIPES OF POLYETHYLENE (PE) - GENERAL QUALITY REQUIREMENTS AND TEST METHODS
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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PIPELINES OF PLASTICS MATERIALS UNDER PRESSURE - SCREWED JOINTS OF METAL FOR PIPES OF POLYETHYLENE (PE) - GENERAL QUALITY REQUIREMENTS AND TEST METHODS
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻