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发明名称
Reaction products of petroleum hydrocarbon-insoluble pine-wood resin and ethylene oxide
摘要
申请公布号
US2555901(A)
申请公布日期
1951.06.05
申请号
US19490130587
申请日期
1949.12.01
申请人
HERCULES POWDER COMPANY
发明人
RUMMELSBURG ALFRED L.
分类号
C09F1/00
主分类号
C09F1/00
代理机构
代理人
主权项
地址
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