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发明名称
Dispositif pour le tir minier sous pression d'eau
摘要
申请公布号
FR1420118(A)
申请公布日期
1965.12.03
申请号
FR19650001171
申请日期
1965.01.07
申请人
DYNAMIT NOBEL AKTIENGESELLSCHAFT
发明人
分类号
E21C37/12;F42B3/00;F42B3/02
主分类号
E21C37/12
代理机构
代理人
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地址
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