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经营范围
发明名称
VENTILATION DROP-TRAPPING INSTALLATION
摘要
申请公布号
SU599091(A1)
申请公布日期
1978.03.25
申请号
SU19752175475
申请日期
1975.09.17
申请人
VELICHKO VLADIMIR KIRILLOVICH,SU
发明人
VELICHKO VLADIMIR KIRILLOVICH,SU
分类号
E21F1/08;(IPC1-7):E21F1/08
主分类号
E21F1/08
代理机构
代理人
主权项
地址
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