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发明名称
BLASTING CARTRIDGE
摘要
申请公布号
CA348511(A)
申请公布日期
1935.02.26
申请号
CAD348511
申请日期
申请人
THE SAFETY MINING COMPANY
发明人
FRANK HALL ARMSTRONG
分类号
主分类号
代理机构
代理人
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