Improvements in or relating to shock-proof device for watches,申请号GB19520016746-传众专利搜索

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发明名称	Improvements in or relating to shock-proof device for watches
摘要
申请公布号	GB743706(A)	申请公布日期	1956.01.25
申请号	GB19520016746	申请日期	1952.07.03
申请人	CARL RIVOIR	发明人
分类号	G04B31/04	主分类号	G04B31/04
代理机构		代理人
主权项
地址

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