
EN 1053 PLASTICS PIPING SYSTEMS - THERMOPLASTICS PIPING SYSTEMS FOR SOIL AND WASTE DISCHARGE INSIDE BUILDINGS - TEST METHOD FOR WATERTIGHTNESS
出版:British Standards Institution

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EN 1053 PLASTICS PIPING SYSTEMS - THERMOPLASTICS PIPING SYSTEMS FOR SOIL AND WASTE DISCHARGE INSIDE BUILDINGS - TEST METHOD FOR WATERTIGHTNESS
出版:British Standards Institution
專家解讀視頻