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发明名称
Oil treating device
摘要
申请公布号
US1991830(A)
申请公布日期
1935.02.19
申请号
US19320615493
申请日期
1932.06.06
申请人
W. H. ELLIOTT
发明人
WATSON ORVILLE C.
分类号
C10G31/10
主分类号
C10G31/10
代理机构
代理人
主权项
地址
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