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经营范围
发明名称
Manufacture of electric detonators, percussion caps, and like articles
摘要
申请公布号
US1904240(A)
申请公布日期
1933.04.18
申请号
US19290336216
申请日期
1929.01.30
申请人
E.I. DU PONT DE NEMOURS AND CO.
发明人
JONES DAVID TREVOR;MOORE FREDERICK JOSEPH
分类号
C06B41/02
主分类号
C06B41/02
代理机构
代理人
主权项
地址
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