MACHINING METHOD FOR FRESNEL STEP,申请号JP19880085405-传众专利搜索

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发明名称	MACHINING METHOD FOR FRESNEL STEP
摘要
申请公布号	JPH01257505(A)	申请公布日期	1989.10.13
申请号	JP19880085405	申请日期	1988.04.08
申请人	KOITO MFG CO LTD	发明人	OZAWA YASUO;KOJIMA NOBORU;NAGAKURA TERU;IGARASHI SEIJI;SAKAKIBARA KOICHI
分类号	G02B3/08;B23C3/34	主分类号	G02B3/08
代理机构		代理人
主权项
地址

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