ATTENDANT CONTROL PANEL SYSTEM,申请号USD3614738-传众专利搜索

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发明名称	ATTENDANT CONTROL PANEL SYSTEM
摘要
申请公布号	US3614738(A)	申请公布日期	1971.10.19
申请号	USD3614738	申请日期	1969.06.30
申请人	PHONPLEX CORP.	发明人	MARTIN J. SLAVIN
分类号	G08C15/12;H04J3/24;(IPC1-7):H04Q9/14	主分类号	G08C15/12
代理机构		代理人
主权项
地址

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