Rotary hook assembly,申请号US19520294231-传众专利搜索

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发明名称	Rotary hook assembly
摘要
申请公布号	US2694373(A)	申请公布日期	1954.11.16
申请号	US19520294231	申请日期	1952.06.18
申请人	UNION SPECIAL MACHINE COMPANY	发明人	COVERT JOHN N.;SCHOIJ EDGAR
分类号	D05B57/18	主分类号	D05B57/18
代理机构		代理人
主权项
地址

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