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发明名称
KEYBOARD SWITCH MEANS
摘要
申请公布号
US3551865(A)
申请公布日期
1970.12.29
申请号
USD3551865
申请日期
1968.08.20
申请人
TRANSDUCER SYSTEMS INC.
发明人
AMOTZ FRENKEL
分类号
H03K17/97;(IPC1-7):H01F21/06
主分类号
H03K17/97
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代理人
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