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经营范围
发明名称
Improvements in and relating to butterfly valves
摘要
申请公布号
GB1000912(A)
申请公布日期
1965.08.11
申请号
GB19630029580
申请日期
1963.07.25
申请人
BOVING AND CO. LIMITED.
发明人
THURSTON VICTOR NOEL
分类号
F16K1/226
主分类号
F16K1/226
代理机构
代理人
主权项
地址
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