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经营范围
发明名称
METHOD OF DEGASSING COAL SEAMS
摘要
申请公布号
SU1113570(A1)
申请公布日期
1984.09.15
申请号
SU19833590297
申请日期
1983.03.25
申请人
INST PROBLEM KOMPLEKSNOGO OSVOENIYA NEDR AN SSSR
发明人
AJRUNI ARSEN T,SU;STAVROVSKIJ VIKTOR A,SU;SHESTOPALOV ANATOLIJ V,SU;ZOTOV VLADIMIR M,SU
分类号
E21F7/00;(IPC1-7):E21F7/00
主分类号
E21F7/00
代理机构
代理人
主权项
地址
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