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发明名称
Fabrication de produits de sulfonation en partant de bases de goudrons et leur emploi pour la protection des métaux contre l'attaque des acides
摘要
申请公布号
FR701906(A)
申请公布日期
1931.03.25
申请号
FRD701906
申请日期
1930.09.12
申请人
发明人
BERTLEFF VIKTOR
分类号
C23G1/06
主分类号
C23G1/06
代理机构
代理人
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