Chair bed with expandable side frames,申请号US19610146477-传众专利搜索

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发明名称	Chair bed with expandable side frames
摘要
申请公布号	US3077611(A)	申请公布日期	1963.02.19
申请号	US19610146477	申请日期	1961.10.20
申请人	LAEMMLE DAVID C	发明人	LAEMMLE DAVID C.
分类号	A47C17/23	主分类号	A47C17/23
代理机构		代理人
主权项
地址

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