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发明名称
Drying of smokeless powder
摘要
申请公布号
US2281560(A)
申请公布日期
1942.05.05
申请号
US19390269104
申请日期
1939.04.21
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
DEW WALTER ARTHUR;MACKEY BILL HARRY
分类号
C06B21/00
主分类号
C06B21/00
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代理人
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