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经营范围
发明名称
Improvements in blasting assembly
摘要
申请公布号
GB805958(A)
申请公布日期
1958.12.17
申请号
GB19560038643
申请日期
1956.12.19
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
分类号
F42B3/26
主分类号
F42B3/26
代理机构
代理人
主权项
地址
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