Device for fixing the outer end of a hairspring to the cock of timepieces,申请号US19470728435-传众专利搜索

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发明名称	Device for fixing the outer end of a hairspring to the cock of timepieces
摘要
申请公布号	US2589717(A)	申请公布日期	1952.03.18
申请号	US19470728435	申请日期	1947.02.14
申请人	FRITZ MARTI	发明人	MARTI FRITZ
分类号	G04B18/02	主分类号	G04B18/02
代理机构		代理人
主权项
地址

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