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经营范围
发明名称
OPTISK FIBER.
摘要
申请公布号
NO902872(D0)
申请公布日期
1990.06.27
申请号
NO19900002872
申请日期
1990.06.27
申请人
SUMITOMO ELECTRIC INDUSTRIES LTD
发明人
HOSOYA, TOSHIFUMI
分类号
C03C25/10;G02B6/44;(IPC1-7):G02B/
主分类号
C03C25/10
代理机构
代理人
主权项
地址
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