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发明名称
Rosin condensation process
摘要
申请公布号
US2720513(A)
申请公布日期
1955.10.11
申请号
US19510264241
申请日期
1951.12.29
申请人
HERCULES POWDER COMPANY
发明人
RUMMELSBURG ALFRED L.
分类号
C09F1/04
主分类号
C09F1/04
代理机构
代理人
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地址
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