DROSSELVENTIL, INSBESONDERE FUER OEL- ODER GASBOHRUNGEN.,申请号DE19863683309-传众专利搜索

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发明名称	DROSSELVENTIL, INSBESONDERE FUER OEL- ODER GASBOHRUNGEN.
摘要
申请公布号	DE3683309(D1)	申请公布日期	1992.02.20
申请号	DE19863683309	申请日期	1986.04.11
申请人	DYHR, EINAR, HOLTE, DK	发明人	DYHR, EINAR, HOLTE, DK
分类号	E21B34/04;E21B;E21B21/00;E21B21/08;E21B21/10;F16K;F16K7/04;(IPC1-7):F16K7/04	主分类号	E21B34/04
代理机构		代理人
主权项
地址

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