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发明名称
DEVICE FOR EXPLOSION PROTECTING OF ELECTRIC EQUIPMENT
摘要
申请公布号
SU1573209(A1)
申请公布日期
1990.06.23
申请号
SU19884424440
申请日期
1988.05.12
申请人
PERMSKIJ PK EXI GORNOGO MASHINOSTROENIYA
发明人
KOTOV VALERIJ I,SU;KAMERTSEL VIKTOR G,SU
分类号
E21F9/00
主分类号
E21F9/00
代理机构
代理人
主权项
地址
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