Automatic coupling mechanism for semitrailers,申请号US19300457779-传众专利搜索

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发明名称	Automatic coupling mechanism for semitrailers
摘要
申请公布号	US1862115(A)	申请公布日期	1932.06.07
申请号	US19300457779	申请日期	1930.05.31
申请人	HIGHWAY TRAILER COMPANY	发明人	HELMS HARRY W.
分类号	B62D53/12	主分类号	B62D53/12
代理机构		代理人
主权项
地址

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