Commutator mica undercutting tool,申请号US19290403557-传众专利搜索

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发明名称	Commutator mica undercutting tool
摘要
申请公布号	US1809228(A)	申请公布日期	1931.06.09
申请号	US19290403557	申请日期	1929.10.30
申请人	BALLOU WALTER T	发明人	BALLOU WALTER T.
分类号	H01R43/14	主分类号	H01R43/14
代理机构		代理人
主权项
地址

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