Friction device for lifting lid box,申请号US19540453625-传众专利搜索

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发明名称	Friction device for lifting lid box
摘要
申请公布号	US2775781(A)	申请公布日期	1957.01.01
申请号	US19540453625	申请日期	1954.09.01
申请人	AMERICAN SEATING COMPANY	发明人	MORGAN ERVING B.
分类号	A47B41/02	主分类号	A47B41/02
代理机构		代理人
主权项
地址

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