14/30310792 DC : 0被替代
BS EN 13598-2 - PLASTICS PIPING SYSTEMS FOR NON-PRESSURE UNDERGROUND DRAINAGE AND SEWERAGE - UNPLASTICIZED POLY(VINYL CHLORIDE) (PVC-U), POLYPROPYLENE (PP) AND POLYETHYLENE (PE) - PART 2: SPECIFICATIONS FOR MANHOLES AND INSPECTION CHAMBERS IN TRAFFIC AREAS
出版：British Standards Institution
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