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发明名称
PERMANENT POLYMER GRATING MAKING METHOD
摘要
申请公布号
KR0168882(B1)
申请公布日期
1999.04.15
申请号
KR19940035055
申请日期
1994.12.19
申请人
KOREA TELECOM CORP.;KOREA ELECTRONICS & TELECOMMUNICATIONS RESEARCH INSTITUTE
发明人
LEE, MYUNG-HYUN;WON, YONG-HYUB
分类号
(IPC1-7):G02B6/356
主分类号
(IPC1-7):G02B6/356
代理机构
代理人
主权项
地址
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