End gate control mechanism for scraper bowls,申请号US19310547308-传众专利搜索

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发明名称	End gate control mechanism for scraper bowls
摘要
申请公布号	US1851234(A)	申请公布日期	1932.03.29
申请号	US19310547308	申请日期	1931.06.27
申请人	BALL WAGON GRADER CO	发明人	BALL CHARLES E.
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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