POSITIVELY GUIDED EASY LOOSENING DEVICE OF PRODUCING PIPE,申请号HU19830001841-传众专利搜索

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发明名称	POSITIVELY GUIDED EASY LOOSENING DEVICE OF PRODUCING PIPE
摘要
申请公布号	HU187235(B)	申请公布日期	1985.11.28
申请号	HU19830001841	申请日期	1983.05.25
申请人	MAGYAR SZENHIDROGENIPARI KUTATO-FEJLESZTOE INTEZET,HU	发明人	BOEDE,GEZA,HU;MADAR,LASZLO,HU;RETVARI,LASZLO,HU;ZSOKA,ISTVAN,HU
分类号	E21B17/02;(IPC1-7):E21B17/02	主分类号	E21B17/02
代理机构		代理人
主权项
地址

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