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经营范围
发明名称
OPTICAL CABLE MANUFACUTE
摘要
申请公布号
GB2022644(B)
申请公布日期
1983.03.16
申请号
GB19790019564
申请日期
1979.06.05
申请人
NORTHERN TELECOM LTD
发明人
分类号
G02B6/44;H01B13/02;(IPC1-7):D07B3/12
主分类号
G02B6/44
代理机构
代理人
主权项
地址
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