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发明名称
CHECK VALVE
摘要
申请公布号
JPS5270425(A)
申请公布日期
1977.06.11
申请号
JP19750146390
申请日期
1975.12.10
申请人
HITACHI LTD
发明人
TAKAHASHI HITOSHI;NAKAO NOBORU
分类号
F16K15/03;F16K15/18
主分类号
F16K15/03
代理机构
代理人
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地址
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