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发明名称
Produits de condensation ayant une action tannante et leur procédé de fabrication
摘要
申请公布号
FR847029(A)
申请公布日期
1939.10.02
申请号
FRD847029
申请日期
1938.12.05
申请人
J. R. GEIGY S. A.
发明人
分类号
C14C3/20
主分类号
C14C3/20
代理机构
代理人
主权项
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