Combination chair and ladder,申请号US19470790091-传众专利搜索

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发明名称	Combination chair and ladder
摘要
申请公布号	US2469720(A)	申请公布日期	1949.05.10
申请号	US19470790091	申请日期	1947.12.06
申请人	JOHN FURLIN	发明人	FURLIN JOHN
分类号	A47C12/02	主分类号	A47C12/02
代理机构		代理人
主权项
地址

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