RETRACTABLE TYPEWRITER SUPPORT FOR DESKS,申请号USD3428382-传众专利搜索

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发明名称	RETRACTABLE TYPEWRITER SUPPORT FOR DESKS
摘要
申请公布号	US3428382(A)	申请公布日期	1969.02.18
申请号	USD3428382	申请日期	1967.04.06
申请人	ORVILLE G. YARNELL	发明人	ORVILLE G. YARNELL
分类号	A47B21/03;(IPC1-7):A47B21/03	主分类号	A47B21/03
代理机构		代理人
主权项
地址

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