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经营范围
发明名称
OPTICAL COUPLING ASSEMBLY
摘要
申请公布号
GB8515583(D0)
申请公布日期
1985.07.24
申请号
GB19850015583
申请日期
1985.06.19
申请人
BRITISH TELECOMMUNICATIONS PLC
发明人
分类号
G02F1/21
主分类号
G02F1/21
代理机构
代理人
主权项
地址
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