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发明名称
Optisches Element.
摘要
申请公布号
DE68916928(D1)
申请公布日期
1994.08.25
申请号
DE19896016928
申请日期
1989.11.29
申请人
BRITISH TELECOMMUNICATIONS P.L.C., LONDON, GB
发明人
STANLEY, IAN WILLIAM, NEAR IPSWICH SUFFOLK IP6 9DA, GB
分类号
C03C25/10;G01B11/27;G02B6/02;G02B6/122;G02B6/42;(IPC1-7):G02B6/42;C03C25/00
主分类号
C03C25/10
代理机构
代理人
主权项
地址
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