发明名称 |
Portable appts. for transfer of information between persons |
摘要 |
Portable appts. for transfer of information between persons has manually operated alphabetic keyboard connected through code and pulse former to memory unit and visual display
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申请公布号 |
CH607189(A5) |
申请公布日期 |
1978.11.30 |
申请号 |
CH19760004999 |
申请日期 |
1976.04.21 |
申请人 |
HOSSAIN, SULTAN |
发明人 |
SULTAN HOSSAIN |
分类号 |
G09B21/00;(IPC1-7):G09B21/00;G09F9/40 |
主分类号 |
G09B21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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