Railroad track with braking surfaces for high speed trains,申请号US19660568501-传众专利搜索

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发明名称	Railroad track with braking surfaces for high speed trains
摘要
申请公布号	US3339675(A)	申请公布日期	1967.09.05
申请号	US19660568501	申请日期	1966.07.28
申请人	BINGHAM SIDNEY H	发明人	BINGHAM SIDNEY H.
分类号	B61B5/02;B61H7/00;B61H7/12	主分类号	B61B5/02
代理机构		代理人
主权项
地址

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