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发明名称
Heat-treated rosin size
摘要
申请公布号
US2337040(A)
申请公布日期
1943.12.21
申请号
US19420460984
申请日期
1942.10.06
申请人
HERCULES POWDER COMPANY
发明人
GEORGI EDMUND A.;OSTERHOF ARTHUR L.
分类号
C09F1/00;D21H17/62
主分类号
C09F1/00
代理机构
代理人
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地址
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