ZENTRIEREINRICHTUNG FUER BOHR- UND FUTTERROHRE,申请号DE19914113898-传众专利搜索

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发明名称	ZENTRIEREINRICHTUNG FUER BOHR- UND FUTTERROHRE
摘要
申请公布号	DE4113898(A1)	申请公布日期	1992.10.29
申请号	DE19914113898	申请日期	1991.04.27
申请人	WEATHERFORD PRODUCTS & EQUIPMENT GMBH, 3012 LANGENHAGEN, DE	发明人	REINHOLDT, BERND, 3012 LANGENHAGEN, DE
分类号	E21B17/10	主分类号	E21B17/10
代理机构		代理人
主权项
地址

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