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经营范围
发明名称
Dispositif servant à enseigner la sténographie.
摘要
申请公布号
CH231845(A)
申请公布日期
1944.04.15
申请号
CHD231845
申请日期
1943.05.17
申请人
BAUDIN,GUSTAVE
发明人
BAUDIN,GUSTAVE
分类号
G09B11/08
主分类号
G09B11/08
代理机构
代理人
主权项
地址
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