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发明名称
DIGITAL VALVE
摘要
申请公布号
JPH0333566(A)
申请公布日期
1991.02.13
申请号
JP19890167362
申请日期
1989.06.29
申请人
HITACHI METALS LTD
发明人
MIYASA AKIRA
分类号
F16K27/00;F16K1/54
主分类号
F16K27/00
代理机构
代理人
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