OPTICAL SYSTEM SWITCHING DEVICE,申请号JP19880321270-传众专利搜索

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发明名称	OPTICAL SYSTEM SWITCHING DEVICE
摘要
申请公布号	JPH02165112(A)	申请公布日期	1990.06.26
申请号	JP19880321270	申请日期	1988.12.20
申请人	FUJITSU LTD	发明人	TOKUDA KENICHI
分类号	G02B7/00	主分类号	G02B7/00
代理机构		代理人
主权项
地址

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