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经营范围
发明名称
BUTTERFLY VALVE
摘要
申请公布号
US3485476(A)
申请公布日期
1969.12.23
申请号
USD3485476
申请日期
1966.09.19
申请人
FISHER GOVERNOR CO.
发明人
JAMES E. HEMPHILL
分类号
F16K1/22;(IPC1-7):F16K1/12;F16K5/04
主分类号
F16K1/22
代理机构
代理人
主权项
地址
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