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发明名称
Improvements in and relating to butterfly valves
摘要
申请公布号
GB1006377(A)
申请公布日期
1965.09.29
申请号
GB19630000286
申请日期
1963.01.02
申请人
GUEST & CHRIMES LIMITED
发明人
MARSHALL CYRIL
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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