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发明名称
Règle indirecte pour le calcul rapide de grandeurs exprimées en unités différentes
摘要
申请公布号
FR910992(A)
申请公布日期
1946.06.25
申请号
FRD910992
申请日期
1945.05.23
申请人
发明人
WEBER FERNAND-LOUIS-JULES
分类号
G06G1/14
主分类号
G06G1/14
代理机构
代理人
主权项
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