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经营范围
发明名称
Improvements relating to condensation products, being more especially tanning agents, and their use
摘要
申请公布号
GB723628(A)
申请公布日期
1955.02.09
申请号
GB19520003769D
申请日期
1952.02.12
申请人
J. R. GEIGY A.-G.
发明人
分类号
C14C3/20
主分类号
C14C3/20
代理机构
代理人
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地址
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