PORTABLE COLLAPSIBLE AND FOLDABLE BARRICADE,申请号USD3622125-传众专利搜索

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发明名称	PORTABLE COLLAPSIBLE AND FOLDABLE BARRICADE
摘要
申请公布号	US3622125(A)	申请公布日期	1971.11.23
申请号	USD3622125	申请日期	1970.01.29
申请人	HAROLD C. POWELL;O.B. STANLEY	发明人	HAROLD C. POWELL
分类号	E01F13/02;(IPC1-7):E01F13/00	主分类号	E01F13/02
代理机构		代理人
主权项
地址

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