Lightweight oil well sucker rod,申请号IT19810049409-传众专利搜索

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发明名称	Lightweight oil well sucker rod
摘要
申请公布号	IT1171562(B)	申请公布日期	1987.06.10
申请号	IT19810049409	申请日期	1981.10.01
申请人	FIBERFLEX PRODUCTS INC.	发明人	RUTLEDGE JR. WOODROW T.;RUTLEDGE RUSSELL P.;FREEMAN JOHN E.;STEVEN D. CLARK
分类号	E21B;(IPC1-7):E21B/	主分类号	E21B
代理机构		代理人
主权项
地址

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