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发明名称
Rosin base resin
摘要
申请公布号
US2322197(A)
申请公布日期
1943.06.15
申请号
US19410389742
申请日期
1941.04.22
申请人
HERCULES POWDER COMPANY
发明人
OSWALD FRANK G.
分类号
C09F1/04
主分类号
C09F1/04
代理机构
代理人
主权项
地址
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