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DIN 4925-1:1981-09

Отменен
Filter pipes of unplasticized polyvinyl chloride (rigid PVC, PVC-U) for drilled wells, with cross-perforation and threaded connection for nominal sizes DN 40 to DN 100 — 3 стр.
ICS
23.040.20 Plastics pipes / Пластмассовые трубы