Locomotive door construction,申请号US19400349711-传众专利搜索

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发明名称	Locomotive door construction
摘要
申请公布号	US2254470(A)	申请公布日期	1941.09.02
申请号	US19400349711	申请日期	1940.08.02
申请人	GENERAL MOTORS CORPORATION	发明人	BLOMBERG MARTIN P.
分类号	B61C17/12	主分类号	B61C17/12
代理机构		代理人
主权项
地址

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