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经营范围
发明名称
Purification of oils
摘要
申请公布号
US1992979(A)
申请公布日期
1935.03.05
申请号
US19300496832
申请日期
1930.11.19
申请人
GENERAL CHEMICAL COMPANY
发明人
WOLLNER HERBERT J.
分类号
C10G25/00
主分类号
C10G25/00
代理机构
代理人
主权项
地址
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