TACTILE ESCAPE ROUTE INDICATING SYSTEM,申请号GB19830026954-传众专利搜索

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发明名称	TACTILE ESCAPE ROUTE INDICATING SYSTEM
摘要
申请公布号	GB8326954(D0)	申请公布日期	1983.11.09
申请号	GB19830026954	申请日期	1983.10.07
申请人	FRASER-WILSON, D A	发明人
分类号	A62B3/00;G09B21/00;G09F3/00;(IPC1-7):G09F19/22	主分类号	A62B3/00
代理机构		代理人
主权项
地址

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