Collapsible gate, door, and the like,申请号US19470739778-传众专利搜索

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发明名称	Collapsible gate, door, and the like
摘要
申请公布号	US2544008(A)	申请公布日期	1951.03.06
申请号	US19470739778	申请日期	1947.04.07
申请人	GEORGE COLEMAN FREDERICK	发明人	COLEMAN FREDERICK GEORGE
分类号	E06B3/48	主分类号	E06B3/48
代理机构		代理人
主权项
地址

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