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经营范围
发明名称
Improvements in valves
摘要
申请公布号
GB537941(A)
申请公布日期
1941.07.14
申请号
GB19400008071
申请日期
1940.05.06
申请人
TERENCE GORDON HARE
发明人
分类号
F16K1/48
主分类号
F16K1/48
代理机构
代理人
主权项
地址
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