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发明名称
METHOD OF EXTRACTION OF BITUMEN
摘要
申请公布号
SU1525190(A1)
申请公布日期
1989.11.30
申请号
SU19874305171
申请日期
1987.09.14
申请人
BUGULMINSKIJ KOMPLEKSNYJ OTDEL V NEFTEGAZOVOGO NII NEFTYANOJ PROMYSHLENNOSTI
发明人
STARSHOV MIKHAIL I,SU;STARSHOV IVAN M,SU
分类号
C10G1/04
主分类号
C10G1/04
代理机构
代理人
主权项
地址
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