浮动螺母
参考文献
- Laurence H. Flora, Jr., Combined Nut Retainer and Thread Lock, 美國專利第2,587,134号, granted Feb. 26, 1952.
- William A. Bedford, Jr., Cage Nut, 美國專利第2,627,294号, granted Feb. 3, 1953.
- . www.cablinginstall.com. [2018-04-25].
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