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发明名称
Art of treating oils
摘要
申请公布号
US1769795(A)
申请公布日期
1930.07.01
申请号
US19250052687
申请日期
1925.08.26
申请人
LEAMON WILLIAM G
发明人
LEAMON WILLIAM G.
分类号
C10G50/00
主分类号
C10G50/00
代理机构
代理人
主权项
地址
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