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发明名称
Process for breaking petroleum emulsions employing certain amine-modified thermoplastic phenol-aldehyde resin salts
摘要
申请公布号
US2771443(A)
申请公布日期
1956.11.20
申请号
US19530329485
申请日期
1953.01.02
申请人
PETROLITE CORPORATION
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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