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发明名称
Blasting cartridge
摘要
申请公布号
US1816257(A)
申请公布日期
1931.07.28
申请号
US19290402619
申请日期
1929.10.26
申请人
SAFETY MINING COMPANY
发明人
KNEELAND FRANK H.
分类号
F42B3/06
主分类号
F42B3/06
代理机构
代理人
主权项
地址
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