Crumber adjustment for endlesstype trench digging machines,申请号US19480029622-传众专利搜索

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发明名称	Crumber adjustment for endlesstype trench digging machines
摘要
申请公布号	US2686981(A)	申请公布日期	1954.08.24
申请号	US19480029622	申请日期	1948.05.27
申请人	THE PARSONS COMPANY	发明人	VAUGHN GEORGE A.
分类号	E02F3/08;E02F5/02;E02F5/06;E02F5/14	主分类号	E02F3/08
代理机构		代理人
主权项
地址

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