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发明名称
EXCHANGE BY LIGHT SIGNAL
摘要
申请公布号
JPS54109707(A)
申请公布日期
1979.08.28
申请号
JP19780150136
申请日期
1978.12.06
申请人
ROZENWAIG BORIS
发明人
BORISU ROZENBAIKU
分类号
H04Q3/52;H04Q11/00
主分类号
H04Q3/52
代理机构
代理人
主权项
地址
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