Electrically driven percussion drill, particularly for drilling rock, earth, and synthetic substances,申请号US19570636099-传众专利搜索

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发明名称	Electrically driven percussion drill, particularly for drilling rock, earth, and synthetic substances
摘要
申请公布号	US2942852(A)	申请公布日期	1960.06.28
申请号	US19570636099	申请日期	1957.01.24
申请人	DIETER MUTHMANN	发明人	MUTHMANN DIETER
分类号	B21J15/30;B23B45/00;B23B45/16;B25D11/10	主分类号	B21J15/30
代理机构		代理人
主权项
地址

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