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经营范围
发明名称
BLASTING SYSTEM
摘要
申请公布号
GB8718202(D0)
申请公布日期
1987.09.09
申请号
GB19870018202
申请日期
1987.07.31
申请人
DU PONT CANADA INC
发明人
分类号
F42B3/16;F42B3/12;F42D1/04;F42D1/055
主分类号
F42B3/16
代理机构
代理人
主权项
地址
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