Improvements in and relating to earth excavating scrapers,申请号GB19380010967-传众专利搜索

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发明名称	Improvements in and relating to earth excavating scrapers
摘要
申请公布号	GB502641(A)	申请公布日期	1939.03.22
申请号	GB19380010967	申请日期	1938.04.09
申请人	R. G. LE TOURNEAU INC.	发明人
分类号	E02F3/64	主分类号	E02F3/64
代理机构		代理人
主权项
地址

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