PIPEBURYING UNDERWATER-TRENCHING APPARATUS AND METHOD,申请号GB19790009104-传众专利搜索

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发明名称	PIPEBURYING UNDERWATER-TRENCHING APPARATUS AND METHOD
摘要
申请公布号	GB2022168(B)	申请公布日期	1982.09.22
申请号	GB19790009104	申请日期	1979.03.15
申请人	BROWN & ROOT INC	发明人
分类号	E02F5/10;(IPC1-7):E02F5/02	主分类号	E02F5/10
代理机构		代理人
主权项
地址

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