Hand operated indicator,申请号US19300457941-传众专利搜索

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发明名称	Hand operated indicator
摘要
申请公布号	US1954598(A)	申请公布日期	1934.04.10
申请号	US19300457941	申请日期	1930.05.31
申请人	MARTIN PETERSON	发明人	PETERSON MARTIN
分类号	A63F1/18	主分类号	A63F1/18
代理机构		代理人
主权项
地址

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