Tight-lock car, air, and electric coupler,申请号US19380239028-传众专利搜索

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法人/股东/高管

发明名称	Tight-lock car, air, and electric coupler
摘要
申请公布号	US2247677(A)	申请公布日期	1941.07.01
申请号	US19380239028	申请日期	1938.11.05
申请人	DORNVAN CORPORATION	发明人	DORN HERBERT E. VAN
分类号	B61G5/06	主分类号	B61G5/06
代理机构		代理人
主权项
地址

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