Directional control of sanding,申请号US19400342245-传众专利搜索

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发明名称	Directional control of sanding
摘要
申请公布号	US2252895(A)	申请公布日期	1941.08.19
申请号	US19400342245	申请日期	1940.06.25
申请人	THE WESTINGHOUSE AIR BRAKE COMPANY	发明人	MILLER RAYMOND E.
分类号	B61C15/10	主分类号	B61C15/10
代理机构		代理人
主权项
地址

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