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经营范围
发明名称
Blasting initiator
摘要
申请公布号
US2255600(A)
申请公布日期
1941.09.09
申请号
US19380222835
申请日期
1938.08.03
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
SALZBERG PAUL LAWRENCE
分类号
F42B3/28
主分类号
F42B3/28
代理机构
代理人
主权项
地址
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