STEERABLE OCEAN FLOOR DREDGE VEHICLE,申请号GB19790018287-传众专利搜索

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发明名称	STEERABLE OCEAN FLOOR DREDGE VEHICLE
摘要
申请公布号	GB2022172(A)	申请公布日期	1979.12.12
申请号	GB19790018287	申请日期	1979.05.25
申请人	DEEPSEA VENTURES INC	发明人
分类号	E21C45/00;E02F3/92;E21C45/08;(IPC1-7):E02F3/92	主分类号	E21C45/00
代理机构		代理人
主权项
地址

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