Self winding watch,申请号US19290334173-传众专利搜索

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发明名称	Self winding watch
摘要
申请公布号	US1853637(A)	申请公布日期	1932.04.12
申请号	US19290334173	申请日期	1929.01.22
申请人	PERPETUAL SELF WINDING WATCH CORPORATION	发明人	REINER MAX
分类号	G04B5/24	主分类号	G04B5/24
代理机构		代理人
主权项
地址

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