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经营范围
发明名称
Blasting cap
摘要
申请公布号
US1901469(A)
申请公布日期
1933.03.14
申请号
US19320610758
申请日期
1932.05.12
申请人
HERCULES POWDER COMPANY
发明人
PICCARD JEAN
分类号
F42B3/192
主分类号
F42B3/192
代理机构
代理人
主权项
地址
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