Automatic retarder system for a railroad classification yard,申请号US19620212179-传众专利搜索

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发明名称	Automatic retarder system for a railroad classification yard
摘要
申请公布号	US3100098(A)	申请公布日期	1963.08.06
申请号	US19620212179	申请日期	1962.07.12
申请人	CRAWFORD ARCHIBALD M;LOCKERBY KENNETH M;BROWN ROBERT H	发明人	CRAWFORD ARCHIBALD M.;LOCKERBY KENNETH M.;BROWN ROBERT H.
分类号	B61K7/12	主分类号	B61K7/12
代理机构		代理人
主权项
地址

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