DRILLING HEAD FOR SIMMULTANEOUS DRILLING OF SEVERAL HOLES,申请号CS19770000740-传众专利搜索

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发明名称	DRILLING HEAD FOR SIMMULTANEOUS DRILLING OF SEVERAL HOLES
摘要
申请公布号	CS186121(B1)	申请公布日期	1978.11.30
申请号	CS19770000740	申请日期	1977.02.04
申请人	HLUBINKA,JAROSLAV,CS	发明人	HLUBINKA,JAROSLAV,CS
分类号	B23B43/00;(IPC1-7):B23B43/00	主分类号	B23B43/00
代理机构		代理人
主权项
地址

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