OPTICAL EXCHANGER AND OPTICAL DEVICE,申请号JP19880284395-传众专利搜索

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发明名称	OPTICAL EXCHANGER AND OPTICAL DEVICE
摘要
申请公布号	JPH02130535(A)	申请公布日期	1990.05.18
申请号	JP19880284395	申请日期	1988.11.10
申请人	OKI ELECTRIC IND CO LTD	发明人	OKAYAMA HIDEAKI;USHIKUBO TAKASHI;NAGAI KIYOSHI
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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