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发明名称
DUST TRAP
摘要
申请公布号
SU711301(A1)
申请公布日期
1980.01.25
申请号
SU19772544981
申请日期
1977.11.15
申请人
INST GORNOGO DELA IM.A.A.SKOCHINSKOGO
发明人
KOLYAGIN VIKTOR M,SU;MURAVEV DMITRIJ S,SU
分类号
E21F5/00;(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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