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发明名称
KEYBOARD WITH INTERCONNECTED KEYS
摘要
申请公布号
US3574335(A)
申请公布日期
1971.04.13
申请号
USD3574335
申请日期
1969.11.26
申请人
OLYMPIA WERKE AG.
发明人
HEINZ RICKE
分类号
H01H13/70;(IPC1-7):G06C7/02;B41J5/08
主分类号
H01H13/70
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代理人
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