Box-and-pin-type threaded joint having different pitches and pitch diameters
作者： Wissel Herman Tobias Van Der
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摘要:
lens.org 参考文章(4)
Andrew J Cherry, Self-locking screw or bolt ,(1939)
George M Eaton, Method of making tight threaded joints ,(1930)
Irvin H Bettis, Tool joint with double tapered socket ,(1941)