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经营范围
发明名称
PRESSURE CONTROL VALVE
摘要
申请公布号
JPH0579577(A)
申请公布日期
1993.03.30
申请号
JP19910239271
申请日期
1991.09.19
申请人
HITACHI LTD
发明人
SAKAI MASAHITO
分类号
F16K31/06
主分类号
F16K31/06
代理机构
代理人
主权项
地址
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