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经营范围
发明名称
METAL SEAT DIAPHRAGM VALVE
摘要
申请公布号
JPH06193748(A)
申请公布日期
1994.07.15
申请号
JP19920345789
申请日期
1992.12.25
申请人
HITACHI METALS LTD
发明人
SAITO AKIRA
分类号
F16K7/16;(IPC1-7):F16K7/16
主分类号
F16K7/16
代理机构
代理人
主权项
地址
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