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经营范围
发明名称
OPTICAL SWITCH
摘要
申请公布号
GB2013359(A)
申请公布日期
1979.08.08
申请号
GB19790001323
申请日期
1979.01.12
申请人
WESTERN ELECTRIC CO INC
发明人
分类号
G02B6/12;G02F1/313;G02F1/35;G02F3/02;H03K17/78;(IPC1-7):G02F1/31
主分类号
G02B6/12
代理机构
代理人
主权项
地址
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