Lap table for reading and writing,申请号US19570653091-传众专利搜索

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发明名称	Lap table for reading and writing
摘要
申请公布号	US2826857(A)	申请公布日期	1958.03.18
申请号	US19570653091	申请日期	1957.04.16
申请人	SAUNDERS JOHN M	发明人	SAUNDERS JOHN M.
分类号	A47B23/04	主分类号	A47B23/04
代理机构		代理人
主权项
地址

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