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发明名称
A multiple fluid control valve device for vacuum systems
摘要
申请公布号
GB903155(A)
申请公布日期
1962.08.15
申请号
GB19590012785
申请日期
1959.04.15
申请人
TESLA
发明人
分类号
F16K11/10
主分类号
F16K11/10
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代理人
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地址
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