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经营范围
发明名称
Process for breaking petroleum emulsions
摘要
申请公布号
US2375537(A)
申请公布日期
1945.05.08
申请号
US19430513782
申请日期
1943.12.10
申请人
PETROLITE CORPORATION, LTD.
发明人
GROOTE MELVIN DE
分类号
C10G33/04
主分类号
C10G33/04
代理机构
代理人
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地址
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