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经营范围
发明名称
Process for breaking petroleum emulsions
摘要
申请公布号
US2278170(A)
申请公布日期
1942.03.31
申请号
US19410375980
申请日期
1941.01.25
申请人
PETROLITE CORPORATION, LTD.
发明人
GROOTE MELVIN DE;KEISER BERNHARD
分类号
C10G33/04
主分类号
C10G33/04
代理机构
代理人
主权项
地址
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