Railway car door protector,申请号US19450577531-传众专利搜索

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发明名称	Railway car door protector
摘要
申请公布号	US2493720(A)	申请公布日期	1950.01.03
申请号	US19450577531	申请日期	1945.02.12
申请人	HOGAN PATRICK J	发明人	HOGAN PATRICK J.
分类号	B61D45/00	主分类号	B61D45/00
代理机构		代理人
主权项
地址

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