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发明名称
Improvements relating to the insertion of detonators in blasting charges
摘要
申请公布号
GB521014(A)
申请公布日期
1940.05.09
申请号
GB19380032532
申请日期
1938.11.09
申请人
ROLFES LIMITED;FRITZ HERMANN ROLFES;HANS JAY ROLFES
发明人
分类号
F42B3/26
主分类号
F42B3/26
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