Road or like percussive drill,申请号US19430486154-传众专利搜索

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发明名称	Road or like percussive drill
摘要
申请公布号	US2343137(A)	申请公布日期	1944.02.29
申请号	US19430486154	申请日期	1943.05.08
申请人	LESLIE DOUGLAS FRANK	发明人	DOUGLAS FRANK LESLIE
分类号	B25D11/12	主分类号	B25D11/12
代理机构		代理人
主权项
地址

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