Zero-reset device for numerical counters,申请号US19450638025-传众专利搜索

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发明名称	Zero-reset device for numerical counters
摘要
申请公布号	US2514788(A)	申请公布日期	1950.07.11
申请号	US19450638025	申请日期	1945.12.29
申请人	PRODUCTION INSTRUMENT COMPANY	发明人	NELSON MARTIN L.
分类号	G06M1/34;G06M1/36	主分类号	G06M1/34
代理机构		代理人
主权项
地址

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