SHANK ADAPTOR FOR ROCK DRILLING MACHINES,申请号GB19870027629-传众专利搜索

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发明名称	SHANK ADAPTOR FOR ROCK DRILLING MACHINES
摘要
申请公布号	GB8727629(D0)	申请公布日期	1987.12.31
申请号	GB19870027629	申请日期	1987.11.25
申请人	BOART HARDMETALS (EUROPE) LTD	发明人
分类号	E21B21/02	主分类号	E21B21/02
代理机构		代理人
主权项
地址

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