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经营范围
发明名称
Electric detonator
摘要
申请公布号
US2762302(A)
申请公布日期
1956.09.11
申请号
US19510256805
申请日期
1951.11.16
申请人
MACLEOD NORMAN A
发明人
MACLEOD NORMAN A.
分类号
F42B3/195
主分类号
F42B3/195
代理机构
代理人
主权项
地址
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