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发明名称
Improved process of manufacturing tanning extract from concentrated sulphite cellulose waste liquor
摘要
申请公布号
GB590907(A)
申请公布日期
1947.07.31
申请号
GB19440020705
申请日期
1944.10.25
申请人
KURT SCHUELLER
发明人
分类号
C14C3/24
主分类号
C14C3/24
代理机构
代理人
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