Brake shoe for car retarders,申请号US19260139869-传众专利搜索

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发明名称	Brake shoe for car retarders
摘要
申请公布号	US1769693(A)	申请公布日期	1930.07.01
申请号	US19260139869	申请日期	1926.10.06
申请人	GENERAL RAILWAY SIGNAL COMPANY	发明人	HOWE WINTHROP K.
分类号	B61K7/06	主分类号	B61K7/06
代理机构		代理人
主权项
地址

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