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发明名称
Verfahren zur Extraktion von Phenolen aus ihren waessrigen alkalischen Loesungen
摘要
申请公布号
DE742844(C)
申请公布日期
1943.12.13
申请号
DE1940F088358D
申请日期
1940.05.25
申请人
DEUTSCHE REVISIONS- UND TREUHAND AG.
发明人
FREUDENBERG DR. KARL
分类号
C07C37/72
主分类号
C07C37/72
代理机构
代理人
主权项
地址
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