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发明名称
Improvements in and relating to valves suitable for use with high temperature fluids
摘要
申请公布号
GB708416(A)
申请公布日期
1954.05.05
申请号
GB19520019833
申请日期
1952.08.06
申请人
ANDRE PORAY
发明人
分类号
C21B9/12
主分类号
C21B9/12
代理机构
代理人
主权项
地址
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