Trailer jack or support,申请号US19390266577-传众专利搜索

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发明名称	Trailer jack or support
摘要
申请公布号	US2196715(A)	申请公布日期	1940.04.09
申请号	US19390266577	申请日期	1939.04.07
申请人	WIEDMAN EDWARD L	发明人	WIEDMAN EDWARD L.
分类号	B66F3/08	主分类号	B66F3/08
代理机构		代理人
主权项
地址

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