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经营范围
发明名称
Générateur d'oscillations à magnétostriction
摘要
申请公布号
FR704222(A)
申请公布日期
1931.05.15
申请号
FRD704222
申请日期
1930.10.22
申请人
COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON
发明人
分类号
H03B5/40
主分类号
H03B5/40
代理机构
代理人
主权项
地址
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