FREMGANGSMAATE FOR INNFOERING AV ET BROENNBETJENINGSVERKTOEY I ET BOREHULL.,申请号NO19900000364-传众专利搜索

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发明名称	FREMGANGSMAATE FOR INNFOERING AV ET BROENNBETJENINGSVERKTOEY I ET BOREHULL.
摘要
申请公布号	NO900364(D0)	申请公布日期	1990.01.26
申请号	NO19900000364	申请日期	1990.01.26
申请人	PUMPTECH NV	发明人	NEWMAN, KENNETH R.
分类号	E21B19/22;E21B23/14;E21B33/072;(IPC1-7):E21B/	主分类号	E21B19/22
代理机构		代理人
主权项
地址

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