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发明名称
ELECTRIC BLASTING SQUIB
摘要
申请公布号
CA308332(A)
申请公布日期
1931.02.03
申请号
CAD308332
申请日期
申请人
THE CANADIAN INDUSTRIES LIMITED
发明人
EDWIN J. JOHNSON
分类号
主分类号
代理机构
代理人
主权项
地址
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