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发明名称
BUTTERFLY VALVE STRUCTURE AND A SLEEVE THEREFOR AND METHOD OF MANUFACTURING THE SAME
摘要
申请公布号
GB1596687(A)
申请公布日期
1981.08.26
申请号
GB19780002732
申请日期
1978.01.24
申请人
PONT-A-MOUSSON SA
发明人
分类号
F16K1/226;(IPC1-7):F16K1/22
主分类号
F16K1/226
代理机构
代理人
主权项
地址
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