Improvements in or relating to hole-boring apparatus,申请号GB19570035425-传众专利搜索

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发明名称	Improvements in or relating to hole-boring apparatus
摘要
申请公布号	GB836259(A)	申请公布日期	1960.06.01
申请号	GB19570035425	申请日期	1957.11.13
申请人	THE ROBOT AGRICULTURAL MACHINERY COMPANY LIMITED	发明人	POMERANCE ISRAEL
分类号	E21B19/00	主分类号	E21B19/00
代理机构		代理人
主权项
地址

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