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发明名称
PIEZOOELECTRIC SWITCH MATRIX
摘要
申请公布号
JPS5259509(A)
申请公布日期
1977.05.17
申请号
JP19750135098
申请日期
1975.11.12
申请人
FUJITSU LTD
发明人
YOKOYAMA TOORU;HAMADA MICHIHIRO
分类号
H01H67/22;H01H57/00;H01H65/00
主分类号
H01H67/22
代理机构
代理人
主权项
地址
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