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发明名称
Process of refining hydrocarbon liquids under high vacuum
摘要
申请公布号
US1832202(A)
申请公布日期
1931.11.17
申请号
US19260118427
申请日期
1926.06.25
申请人
GRIMM WARREN W
发明人
GRIMM WARREN W.
分类号
C10G7/00
主分类号
C10G7/00
代理机构
代理人
主权项
地址
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