Railway truck spring support structure,申请号US19520319202-传众专利搜索

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发明名称	Railway truck spring support structure
摘要
申请公布号	US2751855(A)	申请公布日期	1956.06.26
申请号	US19520319202	申请日期	1952.11.07
申请人	GENERAL STEEL CASTINGS CORPORATION	发明人	KRAUTHEIM WILLIAM C.
分类号	B61F3/10	主分类号	B61F3/10
代理机构		代理人
主权项
地址

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