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发明名称
Perfectionnements aux générateurs de sons et d'ultra-sons de grande puissance
摘要
申请公布号
FR1109415(A)
申请公布日期
1956.01.27
申请号
FRD1109415
申请日期
1954.06.01
申请人
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
发明人
LEVAVASSEUR ROBERT
分类号
G10K5/02
主分类号
G10K5/02
代理机构
代理人
主权项
地址
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