Apparatus for testing drills,申请号US19290388286-传众专利搜索

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法人/股东/高管

发明名称	Apparatus for testing drills
摘要
申请公布号	US1926825(A)	申请公布日期	1933.09.12
申请号	US19290388286	申请日期	1929.08.26
申请人	TATSUMI TAKAHASHI	发明人	TAKAHASHI TATSUMI
分类号	B25D9/00	主分类号	B25D9/00
代理机构		代理人
主权项
地址

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