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经营范围
发明名称
Explosive drill
摘要
申请公布号
US2628559(A)
申请公布日期
1953.02.17
申请号
US19460647069
申请日期
1946.02.12
申请人
SOCIETE DITE: CENTRE D'ETUDES, M. B. A.
发明人
JASSE RAYMOND
分类号
F42B1/02;F42B3/08
主分类号
F42B1/02
代理机构
代理人
主权项
地址
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