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发明名称
Технологическая схема термического обогащения угля в каменноугольном масле с одновременным его растворением и экстрагированием
摘要
申请公布号
SU87857(A1)
申请公布日期
1949.11.30
申请号
SU19490404884
申请日期
1949.09.24
申请人
LIFANOV E.V.;SHELKOV S.K.
发明人
LIFANOV E.V.;SHELKOV S.K.
分类号
B03B9/00;B03B1/00
主分类号
B03B9/00
代理机构
代理人
主权项
地址
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