OPTICAL SPACE SWITCH,申请号GB19880004202-传众专利搜索

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发明名称	OPTICAL SPACE SWITCH
摘要
申请公布号	GB8804202(D0)	申请公布日期	1988.03.23
申请号	GB19880004202	申请日期	1988.02.23
申请人	BRITISH TELECOMMUNICATIONS PLC	发明人
分类号	G02F1/31	主分类号	G02F1/31
代理机构		代理人
主权项
地址

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