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经营范围
发明名称
Passive star coupler
摘要
申请公布号
US4787693(A)
申请公布日期
1988.11.29
申请号
US19870115942
申请日期
1987.11.02
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY, AT&T BELL LABORATORIES
发明人
KOGELNIK, HERWIG W.;SALEH, ADEL A. M.
分类号
G02B6/28;H04B10/02;H04B10/20;H04B10/207;H04Q11/00;(IPC1-7):G02B6/28
主分类号
G02B6/28
代理机构
代理人
主权项
地址
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