Door operating mechanism for dump cars,申请号US19280273562-传众专利搜索

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发明名称	Door operating mechanism for dump cars
摘要
申请公布号	US1820525(A)	申请公布日期	1931.08.25
申请号	US19280273562	申请日期	1928.04.28
申请人	WESTERN WHEELED SCRAPER COMPANY	发明人	BURNER WILLIAM L.
分类号	B61D9/02	主分类号	B61D9/02
代理机构		代理人
主权项
地址

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