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发明名称
Règle à calcul pour le calcul imaginaire
摘要
申请公布号
FR1024896(A)
申请公布日期
1953.04.08
申请号
FRD1024896
申请日期
1950.09.25
申请人
发明人
BOUIX MAURICE
分类号
G06G1/08
主分类号
G06G1/08
代理机构
代理人
主权项
地址
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