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发明名称
Propellent powder
摘要
申请公布号
US1838347(A)
申请公布日期
1931.12.29
申请号
US19290357335
申请日期
1929.04.22
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
WOODBRIDGE RICHARD GEORGE
分类号
C06B23/04
主分类号
C06B23/04
代理机构
代理人
主权项
地址
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