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经营范围
发明名称
OPTISCH TELECOMMUNICATIE ELEMENT.
摘要
申请公布号
NL8001832(A)
申请公布日期
1981.10.16
申请号
NL19800001832
申请日期
1980.03.28
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN TE EINDHOVEN.
发明人
分类号
G02B6/44;H01B13/00;(IPC1-7):G02B5/17
主分类号
G02B6/44
代理机构
代理人
主权项
地址
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