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发明名称
KONTAKTLOSE TASTATUR ZUR EINGABE VON INFORMATIONEN
摘要
申请公布号
DD135962(B1)
申请公布日期
1980.12.24
申请号
DD19780204874
申请日期
1978.04.19
申请人
发明人
分类号
G06F3/02;G06F3/023;H03K3/53
主分类号
G06F3/02
代理机构
代理人
主权项
地址
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