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发明名称
摘要
申请公布号
FR2069069(A5)
申请公布日期
1971.09.03
申请号
FR19700039838
申请日期
1970.11.05
申请人
OLIVETTI ET CO SPA
发明人
分类号
G06K1/02;G06K1/06;G06K1/10;H04L17/20;(IPC1-7):G06K1/00;H04L17/00
主分类号
G06K1/02
代理机构
代理人
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地址
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