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发明名称
SEAT RING FOR ECCENTRIC TYPE BUTTERFLY VALVE AND ASSEMBLY THEREOF
摘要
申请公布号
JPH11190437(A)
申请公布日期
1999.07.13
申请号
JP19970360072
申请日期
1997.12.26
申请人
TOMOE TECH RES CO
发明人
YURUGI YOSHINORI
分类号
F16K1/22;F16K1/226;F16K1/42;(IPC1-7):F16K1/226
主分类号
F16K1/22
代理机构
代理人
主权项
地址
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