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发明名称
METHOD OF SUPPRESSING DUST AND NOXIOUS GASES FORMED AS A RESULT OF BLASTING IN MINES
摘要
申请公布号
GB1300634(A)
申请公布日期
1972.12.20
申请号
GB19700025746
申请日期
1970.05.28
申请人
CHEMISCHE FABRIK KALK G.M.B.H.
发明人
HANS LEWER
分类号
E21F5/20;E21F5/16
主分类号
E21F5/20
代理机构
代理人
主权项
地址
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