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发明名称
Vacuum valve
摘要
申请公布号
GB2304174(B)
申请公布日期
1999.09.01
申请号
GB19960009956
申请日期
1996.05.13
申请人
* BALZERS AG
发明人
HUGO * FREI;PETER * KELLER
分类号
F16K31/06;F16K51/02;F16L19/065;(IPC1-7):F16L15/00
主分类号
F16K31/06
代理机构
代理人
主权项
地址
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