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发明名称
SEAT STRUCTURE OF BUTTERFLY VALVE
摘要
申请公布号
JPH11315938(A)
申请公布日期
1999.11.16
申请号
JP19980121556
申请日期
1998.05.01
申请人
KUBOTA CORP
发明人
SAWADA YOSHIHIRO
分类号
F16K1/22;F16K1/226;F16K1/42;(IPC1-7):F16K1/42
主分类号
F16K1/22
代理机构
代理人
主权项
地址
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