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发明名称
DEVICE FOR CONTROLLING THERMAL CONDITIONS IN MINING GALLERIES
摘要
申请公布号
SU732548(A1)
申请公布日期
1980.05.05
申请号
SU19772513499
申请日期
1977.07.25
申请人
INST A.A.SKOCHINSKOGO
发明人
ELCHANINOV EVGENIJ A,SU
分类号
E21F3/00;(IPC1-7):E21F3/00
主分类号
E21F3/00
代理机构
代理人
主权项
地址
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