Railway ballast distributing car,申请号US19650507496-传众专利搜索

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发明名称	Railway ballast distributing car
摘要
申请公布号	US3394663(A)	申请公布日期	1968.07.30
申请号	US19650507496	申请日期	1965.11.12
申请人	TRAKWORK EQUIPMENT COMPANY	发明人	JR. JOHN F. BRYAN,
分类号	E01B27/02	主分类号	E01B27/02
代理机构		代理人
主权项
地址

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