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发明名称
Method of producing rosin oils
摘要
申请公布号
US1852244(A)
申请公布日期
1932.04.05
申请号
US19270192801
申请日期
1927.05.19
申请人
HERCULES POWDER COMPANY
发明人
HUMPHREY IRVIN W.
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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