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发明名称
Improvements in or relating to butterfly valves
摘要
申请公布号
GB869272(A)
申请公布日期
1961.05.31
申请号
GB19560018571
申请日期
1956.06.15
申请人
GLENFIELD & KENNEDY, LIMITED
发明人
LIVINGSTON ALEXANDER CUNNINGHAM
分类号
F16K1/228
主分类号
F16K1/228
代理机构
代理人
主权项
地址
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