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发明名称
Procédé de sélection des cristaux piézo-électriques
摘要
申请公布号
FR1088025(A)
申请公布日期
1955.03.02
申请号
FRD1088025
申请日期
1953.11.21
申请人
发明人
NORBERT
分类号
H01L41/22
主分类号
H01L41/22
代理机构
代理人
主权项
地址
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