PROJECTER WITH FREELY INTERCHANGEABLE LENS UNIT,申请号JP19880205000-传众专利搜索

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发明名称	PROJECTER WITH FREELY INTERCHANGEABLE LENS UNIT
摘要
申请公布号	JPH0253043(A)	申请公布日期	1990.02.22
申请号	JP19880205000	申请日期	1988.08.18
申请人	RICOH CO LTD	发明人	ARIYAMA KENZO
分类号	G03B21/132;G03B21/00	主分类号	G03B21/132
代理机构		代理人
主权项
地址

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