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发明名称
Improvements in or relating to gate valves
摘要
申请公布号
GB1089272(A)
申请公布日期
1967.11.01
申请号
GB19640023626
申请日期
1964.06.08
申请人
EDWARDS HIGH VACUUM INTERNATIONAL LIMITED
发明人
POWER BASIL DIXON
分类号
F16K3/16;F16K3/18
主分类号
F16K3/16
代理机构
代理人
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地址
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