GERAET ZUM SAMMELN INSBESONDERE VON MANGANKNOLLEN AUF DEM MEERESBODEN UND VERFAHREN ZUM SAMMELN UND FOERDERN DER KNOLLEN AN DIE WASSEROBERFLAECHE,申请号DE19742437071-传众专利搜索

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发明名称	GERAET ZUM SAMMELN INSBESONDERE VON MANGANKNOLLEN AUF DEM MEERESBODEN UND VERFAHREN ZUM SAMMELN UND FOERDERN DER KNOLLEN AN DIE WASSEROBERFLAECHE
摘要
申请公布号	DE2437071(B2)	申请公布日期	1977.08.18
申请号	DE19742437071	申请日期	1974.08.01
申请人		发明人
分类号	E02F5/00;E02F7/10;E21C45/00;E21C50/00;E21C50/02;(IPC1-7):E21C45/00	主分类号	E02F5/00
代理机构		代理人
主权项
地址

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