VORRICHTUNG ZUR BODENPROBENAHME UNTER WASSER,申请号DE19742454817-传众专利搜索

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发明名称	VORRICHTUNG ZUR BODENPROBENAHME UNTER WASSER
摘要
申请公布号	DE2454817(B2)	申请公布日期	1977.06.23
申请号	DE19742454817	申请日期	1974.11.19
申请人		发明人
分类号	E21B1/02;E21B7/124;E21B25/18;(IPC1-7):E21B49/02;E02D1/04;E21B7/12;E21B25/00	主分类号	E21B1/02
代理机构		代理人
主权项
地址

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