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经营范围
发明名称
HIGH VACUUM VALVE
摘要
申请公布号
GB2043839(B)
申请公布日期
1983.03.23
申请号
GB19800005258
申请日期
1980.02.15
申请人
BALZERS AG
发明人
分类号
F16K3/10;F16K3/18;F16K51/02;(IPC1-7):F16K3/16
主分类号
F16K3/10
代理机构
代理人
主权项
地址
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