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经营范围
发明名称
GATE VALVE
摘要
申请公布号
JPH0495666(A)
申请公布日期
1992.03.27
申请号
JP19900210356
申请日期
1990.08.10
申请人
HITACHI LTD
发明人
SAKATA TOMOAKI
分类号
F16K31/02;F16J13/22;H02K41/00
主分类号
F16K31/02
代理机构
代理人
主权项
地址
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