Improvements relating to pressure core takers,申请号GB19500025460-传众专利搜索

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发明名称	Improvements relating to pressure core takers
摘要
申请公布号	GB693379(A)	申请公布日期	1953.07.01
申请号	GB19500025460	申请日期	1950.10.19
申请人	ANGLO-IRANIAN OIL COMPANY LIMITED;CHRISTOPHER WILLIAM OTWAY	发明人
分类号	E21B25/08	主分类号	E21B25/08
代理机构		代理人
主权项
地址

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