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经营范围
发明名称
Optical switch with light source and signal generator
摘要
申请公布号
IT1234928(B)
申请公布日期
1992.06.02
申请号
IT19850019782
申请日期
1985.03.06
申请人
THE SINGER CO.
发明人
RICHARD D. ROY
分类号
H03K17/969;G02B6/26;G02B6/35;H01H13/00;H04B10/213;(IPC1-7):G02F/
主分类号
H03K17/969
代理机构
代理人
主权项
地址
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