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发明名称
Verfahren zum Abtreiben von bei der Schwelung oder Vergasung der Braunkohle entstehenden Leichtoelen aus Waschoel
摘要
申请公布号
DE522032(C)
申请公布日期
1931.03.30
申请号
DE1925S070587D
申请日期
1925.06.30
申请人
FRITZ SEIDENSCHNUR
发明人
分类号
C10C1/04;C10G5/04
主分类号
C10C1/04
代理机构
代理人
主权项
地址
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