Watch rating recorder,申请号US19370135199-传众专利搜索

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法人/股东/高管

发明名称	Watch rating recorder
摘要
申请公布号	US2158468(A)	申请公布日期	1939.05.16
申请号	US19370135199	申请日期	1937.04.05
申请人	MCCLEARY BYRON J	发明人	MCCLEARY BYRON J.
分类号	G04D7/12	主分类号	G04D7/12
代理机构		代理人
主权项
地址

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