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发明名称
Black powder composition
摘要
申请公布号
US1927870(A)
申请公布日期
1933.09.26
申请号
US19300433186
申请日期
1930.03.04
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
GILLIE BENJAMIN AUSTIN
分类号
C06B31/06
主分类号
C06B31/06
代理机构
代理人
主权项
地址
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