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发明名称
CONTROL VACUUM VALVE
摘要
申请公布号
SU625498(A1)
申请公布日期
1992.03.07
申请号
SU19772470609
申请日期
1977.06.04
申请人
GINZBURG V.E.,SU
发明人
GINZBURG V.E.,SU
分类号
H01J21/10
主分类号
H01J21/10
代理机构
代理人
主权项
地址
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