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发明名称
Générateur électrique de haute fréquence, spécialement pour l'alimentation d'un générateur d'ondes ultra-sonores piézoélectrique ou magnétostrictif
摘要
申请公布号
FR1028161(A)
申请公布日期
1953.05.20
申请号
FRD1028161
申请日期
1950.11.02
申请人
ULTRASCHALL A. G.
发明人
分类号
A61N1/40;B06B1/02;G01R21/00;H04Q3/00;H05B6/48;H05B6/50
主分类号
A61N1/40
代理机构
代理人
主权项
地址
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