VARIABLE WAVELENGTH OPTICAL FILTER,申请号JP19890180396-传众专利搜索

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发明名称	VARIABLE WAVELENGTH OPTICAL FILTER
摘要
申请公布号	JPH0345938(A)	申请公布日期	1991.02.27
申请号	JP19890180396	申请日期	1989.07.14
申请人	CANON INC	发明人	SAKATA HAJIME;ONO TAKEO
分类号	G02F1/23;G02F1/025;G02F1/35;H01S5/00	主分类号	G02F1/23
代理机构		代理人
主权项
地址

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