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经营范围
发明名称
Instrument à calculer.
摘要
申请公布号
CH299755(A)
申请公布日期
1954.06.30
申请号
CHD299755
申请日期
1952.05.16
申请人
BOURNOUD,EDGARD
发明人
BOURNOUD,EDGARD
分类号
G01B3/00;G06G1/12
主分类号
G01B3/00
代理机构
代理人
主权项
地址
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