Railroad car truck bolster,申请号US19440555340-传众专利搜索

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发明名称	Railroad car truck bolster
摘要
申请公布号	US2392292(A)	申请公布日期	1946.01.01
申请号	US19440555340	申请日期	1944.09.22
申请人	NYSTROM KARL F;GREEN VERNON L	发明人	NYSTROM KARL F.;GREEN VERNON L.
分类号	B61F5/04	主分类号	B61F5/04
代理机构		代理人
主权项
地址

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