Oiler for railroad car journal boxes,申请号US19530342172-传众专利搜索

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发明名称	Oiler for railroad car journal boxes
摘要
申请公布号	US2720940(A)	申请公布日期	1955.10.18
申请号	US19530342172	申请日期	1953.03.13
申请人	GARDNER GEORGE W;WHITAKER JOSEPH H	发明人	GARDNER GEORGE W.;WHITAKER JOSEPH H.
分类号	B61F17/26	主分类号	B61F17/26
代理机构		代理人
主权项
地址

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