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发明名称
AGENT FOR PREVENTING COAL SELF-IGNITION
摘要
申请公布号
SU867323(A3)
申请公布日期
1981.09.23
申请号
SU19721770443
申请日期
1972.04.10
申请人
KHEMISHE FABRIK KALK GMBKH (FIRMA)
发明人
KHANS LEVER,DE
分类号
E21F5/00;C10L9/10;(IPC1-7):E21F5/00
主分类号
E21F5/00
代理机构
代理人
主权项
地址
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