Improvements in and relating to journal bearings for rail vehicles,申请号GB19300010236-传众专利搜索

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发明名称	Improvements in and relating to journal bearings for rail vehicles
摘要
申请公布号	GB345510(A)	申请公布日期	1931.03.26
申请号	GB19300010236	申请日期	1930.03.31
申请人	OTTO HUEBNER	发明人
分类号	B61F17/20	主分类号	B61F17/20
代理机构		代理人
主权项
地址

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