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发明名称
Verfahren zur Extraktion von sauren Bestandteilen aus Teeren oder Teeroelen
摘要
申请公布号
DE1195326(B)
申请公布日期
1965.06.24
申请号
DE1959K037224
申请日期
1959.03.13
申请人
DR. GEORG KOWALSKI
发明人
KOWALSKI DR. GEORG
分类号
C10C1/18
主分类号
C10C1/18
代理机构
代理人
主权项
地址
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