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发明名称
Elektronische Tastenanordnung
摘要
申请公布号
DE2122218(A1)
申请公布日期
1972.11.23
申请号
DE19712122218
申请日期
1971.05.05
申请人
发明人
分类号
H03J5/02;H03K17/96
主分类号
H03J5/02
代理机构
代理人
主权项
地址
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