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发明名称
RICHTKOPPLER.
摘要
申请公布号
DE3782537(T2)
申请公布日期
1993.04.08
申请号
DE19873782537T
申请日期
1987.03.20
申请人
NORTHERN TELECOM LTD., MONTREAL, QUEBEC, CA
发明人
BRICHENO, TERRY, GREAT SAMPFORD ESSEX CB10 2RG, GB
分类号
G02B6/293;G02B6/28;(IPC1-7):G02B6/28
主分类号
G02B6/293
代理机构
代理人
主权项
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