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发明名称
Verfahren zur Steigerung der Viskosität von Teeren.
摘要
申请公布号
AT148479(B)
申请公布日期
1937.01.25
申请号
ATD148479
申请日期
1935.05.14
申请人
DR. CARL ALEXANDER AGTHE
发明人
DR. CARL ALEXANDER AGTHE
分类号
主分类号
代理机构
代理人
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