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соединительная вставка (фитинг трубопровода)
Англо-русский словарь технических терминов. 2005.
Англо-русский словарь технических терминов. 2005.
British standard pipe thread — The British Standard Pipe thread (BSP thread) is a family of standard screw thread types that has been adopted internationally for interconnecting and sealing pipe ends by mating an external (male) with an internal (female) thread.TypesTwo types… … Wikipedia