Automatic brake mechanism for trailers,申请号US19330665424-传众专利搜索

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发明名称	Automatic brake mechanism for trailers
摘要
申请公布号	US1983474(A)	申请公布日期	1934.12.04
申请号	US19330665424	申请日期	1933.04.10
申请人	THOMAS H. GREEAR	发明人	LEE NORMAN
分类号	B60T7/20	主分类号	B60T7/20
代理机构		代理人
主权项
地址

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