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经营范围
发明名称
METHOD OF DEVELOPING PEAT DEPOSIT
摘要
申请公布号
SU1687789(A1)
申请公布日期
1991.10.30
申请号
SU19894722842
申请日期
1989.05.05
申请人
INST TORFA AN BSSR
发明人
KOT NIKOLAJ A,SU;KAPURA VASILIJ G,SU
分类号
E21C49/00
主分类号
E21C49/00
代理机构
代理人
主权项
地址
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