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经营范围
发明名称
Furnace for production of optical fiber preform.
摘要
申请公布号
EP0420148(B1)
申请公布日期
1993.12.15
申请号
EP19900118393
申请日期
1990.09.25
申请人
SUMITOMO ELECTRIC INDUSTRIES, LTD.
发明人
TSUCHIYA, ICHIRO;SAITO, MASAHIDE;ISHIKAWA, SHINJI;OHGA, YUICHI;KANAMORI, HIROO
分类号
C03B37/014;(IPC1-7):C03B37/014
主分类号
C03B37/014
代理机构
代理人
主权项
地址
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