Railway truck frame,申请号US19460712376-传众专利搜索

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发明名称	Railway truck frame
摘要
申请公布号	US2547720(A)	申请公布日期	1951.04.03
申请号	US19460712376	申请日期	1946.11.26
申请人	GREENSBURG MACHINE COMPANY	发明人	SCHUBERT RUDOLF R.
分类号	B61C3/00;B61C17/12;B61F3/04	主分类号	B61C3/00
代理机构		代理人
主权项
地址

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