Coil spring thread having shearpreventing and locking means,申请号US19540432452-传众专利搜索

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发明名称	Coil spring thread having shearpreventing and locking means
摘要
申请公布号	US2782674(A)	申请公布日期	1957.02.26
申请号	US19540432452	申请日期	1954.05.26
申请人	HELI-COIL CORPORATION	发明人	FORSTER JOHN O.;MUSSGNUG ADOLPH H.
分类号	F16H37/12	主分类号	F16H37/12
代理机构		代理人
主权项
地址

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