Pipe joint having opposed packing grooves and sealing means therefor
作者： Calvin D Dunbar
DOI:
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lens.org 参考文章(7)
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Joseph V Bertrand, Sealing means for pressure vessels ,(1948)
Herman Albert Dale, Reinforced t shaped seal for flanged pipe coupling ,(1953)
Rudolf Bungeroth, Wrought-metal pipe. ,(1901)
Pechiney Leon-Jean, Joint pour conduites à haute pression ,(1913)