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经营范围
发明名称
Butterfly valves
摘要
申请公布号
GB2181820(A)
申请公布日期
1987.04.29
申请号
GB19860024801
申请日期
1986.10.16
申请人
* CHARLES WINN
发明人
PHILIP JOSEPH * BURTON
分类号
F16K1/22;(IPC1-7):F16K1/22
主分类号
F16K1/22
代理机构
代理人
主权项
地址
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