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发明名称
Procédés réglant les circuits oscillants, de t. s. f. notamment, et appareils pour la mise en oeuvre de ces procédés
摘要
申请公布号
FR714643(A)
申请公布日期
1931.11.17
申请号
FRD714643
申请日期
1930.07.28
申请人
发明人
SAVOYE FRANCOIS
分类号
主分类号
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