Self-feeding drilling machine for boring rock and earth,申请号GB19630035615-传众专利搜索

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发明名称	Self-feeding drilling machine for boring rock and earth
摘要
申请公布号	GB1060002(A)	申请公布日期	1967.02.22
申请号	GB19630035615	申请日期	1963.09.10
申请人	WOLFGANG EBELING	发明人
分类号	E21B4/18;E21B7/02;E21B7/04;E21B11/00	主分类号	E21B4/18
代理机构		代理人
主权项
地址

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