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DIN 19692-2:1978-07

Отменен
Special Castings of Ductile Cast Iron with Plug Sockets for Sewers and Sewage Pipelines; Double Socket Straight Access Pieces with Rectangular Aperture (RS Pieces); Components — 3 стр.
ICS
13.060.30 Sewage. Including sewage water disposal and treatment / Сточные воды. Включая удаление и очистку сточных вод