New or improved means or machinery for clearing or excavating ditches,申请号GB19400007811-传众专利搜索

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发明名称	New or improved means or machinery for clearing or excavating ditches
摘要
申请公布号	GB540693(A)	申请公布日期	1941.10.27
申请号	GB19400007811	申请日期	1940.07.01
申请人	BOMFORD & EVERSHED LIMITED;DOUGLAS RAYMOND BOMFORD	发明人
分类号	E02F5/02	主分类号	E02F5/02
代理机构		代理人
主权项
地址

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