WAVELENGTH SELECTION DEVICE,申请号GB19850025461-传众专利搜索

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发明名称	WAVELENGTH SELECTION DEVICE
摘要
申请公布号	GB8525461(D0)	申请公布日期	1985.11.20
申请号	GB19850025461	申请日期	1985.10.16
申请人	BRITISH TELECOMMUNICATIONS PLC	发明人
分类号	G02B6/38;(IPC1-7):G02B6/38	主分类号	G02B6/38
代理机构		代理人
主权项
地址

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