METHOD FOR PRODUCING GLASS PREFORM FOR SINGLE MODE OPTICAL FIBER
摘要
申请公布号
EP0159046(A3)
申请公布日期
1988.12.07
申请号
EP19850104788
申请日期
1985.04.19
申请人
SUMITOMO ELECTRIC INDUSTRIES LIMITED
发明人
TANAKA, GOTARO C/O YOKOHAMA WORKS OF;MIZUTANI, FUTOSHI C/O YOKOHAMA WORKS OF;YOSHIOKA, NAOKI C/O YOKOHAMA WORKS OF;KANAMORI, HIROO C/O YOKOHAMA WORKS OF
