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发明名称
Dispositif d'asservissement à précision variable
摘要
申请公布号
FR55312(E)
申请公布日期
1952.01.02
申请号
FRD55312
申请日期
1947.03.28
申请人
LE MATERIEL TELEPHONIQUE
发明人
VILLEMAGNE JEAN-MARIS
分类号
G05D3/12
主分类号
G05D3/12
代理机构
代理人
主权项
地址
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