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经营范围
发明名称
Способ раздельного извлечения из кислого гудрона высокомолекулярных и низкомолекулярных сульфокислот
摘要
申请公布号
SU59449(A1)
申请公布日期
1940.11.30
申请号
SU19400032770
申请日期
1940.05.22
申请人
SMIRNOVA P.I.;CHERNOZHUKOV N.I.
发明人
SMIRNOVA P.I.;CHERNOZHUKOV N.I.
分类号
C10G17/06
主分类号
C10G17/06
代理机构
代理人
主权项
地址
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