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经营范围
发明名称
Procédé pour l'attaque en profondeur des métaux.
摘要
申请公布号
CH186858(A)
申请公布日期
1936.10.15
申请号
CHD186858
申请日期
1935.09.09
申请人
SOCIETE ANONYME DE PUBLICATIONS PERIODIQUES (IMPRIMERIE E. DESFOSSES)
发明人
SOCIETE ANONYME DE PUBLICATIONS PERIODIQUES (IMPRIMERIE E. DESFOSSES)
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