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发明名称
Пьезоэлектрический элемент
摘要
申请公布号
SU92505(A1)
申请公布日期
1950.11.30
申请号
SU19470370297
申请日期
1947.09.23
申请人
POZDNYAKOV P.G.
发明人
POZDNYAKOV P.G.
分类号
H01L41/04
主分类号
H01L41/04
代理机构
代理人
主权项
地址
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