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发明名称
Indicateur de niveau.
摘要
申请公布号
CH140214(A)
申请公布日期
1930.05.31
申请号
CHD140214
申请日期
1929.05.14
申请人
SOCIETE TECHNIQUE D'ETUDES ET D'ENTREPRISES POUR L'INDUSTRIE;HUGUENIN,ALBERT
发明人
SOCIETE TECHNIQUE D'ETUDES ET D'ENTREPRISES POUR L'INDUSTRIE;HUGUENIN,ALBERT
分类号
主分类号
代理机构
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