UNDERWATER EXCAVATING APPARATUS AND METHOD,申请号GB19740047120-传众专利搜索

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发明名称	UNDERWATER EXCAVATING APPARATUS AND METHOD
摘要
申请公布号	GB1480266(A)	申请公布日期	1977.07.20
申请号	GB19740047120	申请日期	1974.10.31
申请人	SMITH L	发明人
分类号	E02F3/88;B63B35/00;E02F3/90;E02F9/06;(IPC1-7):E02F3/88;B63B35/28	主分类号	E02F3/88
代理机构		代理人
主权项
地址

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