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发明名称
DUST-INPENETRABLE CHAMBER
摘要
申请公布号
SU1553364(A1)
申请公布日期
1990.03.30
申请号
SU19884379679
申请日期
1988.02.17
申请人
N-PROIZV OB PO VYPUSKU MEKHANICHESKOGO SVAROCHNOGO OBORU "VISP"
发明人
MATUSHENKO YAKOV S,SU
分类号
B24C9/00
主分类号
B24C9/00
代理机构
代理人
主权项
地址
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