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发明名称
Appareil enregistreur
摘要
申请公布号
FR707927(A)
申请公布日期
1931.07.16
申请号
FRD707927
申请日期
1930.12.18
申请人
发明人
RIGAUDEAU PIERRE-CELESTIN;BELLE PIERRE-ABEL
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主分类号
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