Lubricating device for railway vehicle axles,申请号US19310513432-传众专利搜索

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发明名称	Lubricating device for railway vehicle axles
摘要
申请公布号	US1908913(A)	申请公布日期	1933.05.16
申请号	US19310513432	申请日期	1931.02.04
申请人	ERNEST MOONEY	发明人	MOONEY ERNEST
分类号	B61F17/06	主分类号	B61F17/06
代理机构		代理人
主权项
地址

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