Railway journal box,申请号US19430472345-传众专利搜索

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发明名称	Railway journal box
摘要
申请公布号	US2349073(A)	申请公布日期	1944.05.16
申请号	US19430472345	申请日期	1943.01.14
申请人	GENERAL MOTORS CORPORATION	发明人	JR. RICHARD J. BRITTAIN,
分类号	B61F15/12	主分类号	B61F15/12
代理机构		代理人
主权项
地址

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