DISPLAY MARK OBSERVING DEVICE,申请号JP19880274939-传众专利搜索

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发明名称	DISPLAY MARK OBSERVING DEVICE
摘要
申请公布号	JPH02120727(A)	申请公布日期	1990.05.08
申请号	JP19880274939	申请日期	1988.10.31
申请人	CANON INC	发明人	ITO KENJI;SUDA YASUO;OTAKA KEIJI;SUZUKI KENJI
分类号	G03B13/02;G03B13/26;G03B17/20	主分类号	G03B13/02
代理机构		代理人
主权项
地址

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