Railway car construction,申请号US19290406801-传众专利搜索

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发明名称	Railway car construction
摘要
申请公布号	US1877369(A)	申请公布日期	1932.09.13
申请号	US19290406801	申请日期	1929.11.13
申请人	UNION METAL PRODUCTS COMPANY	发明人	SMALL ARTHUR E.
分类号	B61D17/08	主分类号	B61D17/08
代理机构		代理人
主权项
地址

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