EDUCATIONAL PUZZLE CHAIR,申请号US19770772123-传众专利搜索

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发明名称	EDUCATIONAL PUZZLE CHAIR
摘要
申请公布号	US4082356(A)	申请公布日期	1978.04.04
申请号	US19770772123	申请日期	1977.02.25
申请人	JOHNSON, KARIN RUTH	发明人	JOHNSON, KARIN RUTH
分类号	A47C4/02;(IPC1-7):A47C7/00	主分类号	A47C4/02
代理机构		代理人
主权项
地址

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