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发明名称
Verfahren zur Herstellung wässeriger Emulsionen von Teer und Petrolpech.
摘要
申请公布号
AT116390(B)
申请公布日期
1930.02.25
申请号
ATD116390
申请日期
1928.11.16
申请人
"PRAX" CHEMISCHE VERSUCHS- U. VERWERTUNGS-GES. M. B. H.
发明人
分类号
主分类号
代理机构
代理人
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