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发明名称
COLLECTOR FOR ELECTROVACUUM DEVICES
摘要
申请公布号
SU622189(A1)
申请公布日期
1978.08.30
申请号
SU19772462634
申请日期
1977.03.15
申请人
GOLOVKIN EVGENIJ VASILEVICH,SU
发明人
GOLOVKIN EVGENIJ VASILEVICH,SU
分类号
H01J23/027;(IPC1-7):H01J23/02
主分类号
H01J23/027
代理机构
代理人
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