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发明名称
BUTTERFLY VALVE EQUIPPED WITH PURGE DEVICE TO VALVE BOX SEAT PART
摘要
申请公布号
JPH1122832(A)
申请公布日期
1999.01.26
申请号
JP19970179555
申请日期
1997.07.04
申请人
KUBOTA CORP
发明人
WATANUKI TAKEO
分类号
F16K1/22;F16K1/226;F16K51/00;(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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