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发明名称
Certain oxyalkylated amine-modified thermoplastic phenol-aldehyde resins and method of making same
摘要
申请公布号
US2997461(A)
申请公布日期
1961.08.22
申请号
US19570651849
申请日期
1957.04.10
申请人
PETROLITE CORPORATION
发明人
GROOTE MELVIN DE
分类号
C08G8/28
主分类号
C08G8/28
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