SIRKELFORMET GJENGE FOR OEVRE MARINT STIGEROERSFORLENGELSE,申请号NO19920002527-传众专利搜索

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发明名称	SIRKELFORMET GJENGE FOR OEVRE MARINT STIGEROERSFORLENGELSE
摘要
申请公布号	NO922527(A)	申请公布日期	1992.12.29
申请号	NO19920002527	申请日期	1992.06.26
申请人	BOWEN TOOLS INC	发明人	CHANCEY, ROGER DALE
分类号	E21B19/00;(IPC1-7):E21B17/042;F16L15/06	主分类号	E21B19/00
代理机构		代理人
主权项
地址

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