Improvements in or relating to drifts for ejecting drills and the like from sockets,申请号GB19300029969-传众专利搜索

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发明名称	Improvements in or relating to drifts for ejecting drills and the like from sockets
摘要
申请公布号	GB360598(A)	申请公布日期	1931.11.12
申请号	GB19300029969	申请日期	1930.10.07
申请人	ROBERTS, BLACK AND COMPANY LIMITED;CECIL THOMAS SKIPPER	发明人
分类号	B23B31/07	主分类号	B23B31/07
代理机构		代理人
主权项
地址

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