Journal bearing for railway car axles,申请号US19270237816-传众专利搜索

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发明名称	Journal bearing for railway car axles
摘要
申请公布号	US1831449(A)	申请公布日期	1931.11.10
申请号	US19270237816	申请日期	1927.12.05
申请人	THE FIRM VEREINIGTE STAHLWERKE AKTIENGESELLSCHAFT	发明人	HUBNER OTTO
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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