FORMING METHOD FOR DUAL TYPE DIFFRACTION GRATING,申请号JP19880160477-传众专利搜索

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发明名称	FORMING METHOD FOR DUAL TYPE DIFFRACTION GRATING
摘要
申请公布号	JPH028801(A)	申请公布日期	1990.01.12
申请号	JP19880160477	申请日期	1988.06.28
申请人	RICOH CO LTD	发明人	SUMI TAKESHI
分类号	G02B5/18	主分类号	G02B5/18
代理机构		代理人
主权项
地址

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