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发明名称
Transducteur piézoélectrique à transistor
摘要
申请公布号
FR1481362(A)
申请公布日期
1967.05.19
申请号
FR19660062970
申请日期
1966.05.25
申请人
TELEFONAKTIEBOLAGET L M ERICSSON
发明人
分类号
H01L27/00;H01L29/00;H04R23/00
主分类号
H01L27/00
代理机构
代理人
主权项
地址
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