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经营范围
发明名称
OPTICAL COUPLERS
摘要
申请公布号
GB8706678(D0)
申请公布日期
1987.04.23
申请号
GB19870006678
申请日期
1987.03.20
申请人
GENERAL ELECTRIC CO PLC
发明人
分类号
G01D5/26;G02B6/28;G02B6/34;(IPC1-7):G02B6/28
主分类号
G01D5/26
代理机构
代理人
主权项
地址
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