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发明名称
Nouveau dispositif de commande démultipliée
摘要
申请公布号
FR731863(A)
申请公布日期
1932.09.09
申请号
FRD731863
申请日期
1931.04.13
申请人
PIVAL
发明人
分类号
H03J1/14
主分类号
H03J1/14
代理机构
代理人
主权项
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