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发明名称
OPTICAL DEVICES
摘要
申请公布号
GB8608276(D0)
申请公布日期
1986.05.08
申请号
GB19860008276
申请日期
1986.04.04
申请人
BRITISH TELECOMMUNICATIONS PLC
发明人
分类号
G02B6/12;G02F1/13;G02F1/133;G02F1/1333;G02F1/137;G02F1/29;G02F1/295;G02F1/313;(IPC1-7):G02F1/13
主分类号
G02B6/12
代理机构
代理人
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地址
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