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发明名称
Electric blasting initiator
摘要
申请公布号
US2173270(A)
申请公布日期
1939.09.19
申请号
US19370136719
申请日期
1937.04.14
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
BURROWS LAWTON A.
分类号
F42B3/18
主分类号
F42B3/18
代理机构
代理人
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地址
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