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发明名称
IMPROVED STRUCTURE OF LIQUID ELECTROMAGNETIC VALVE
摘要
申请公布号
GB9311700(D0)
申请公布日期
1993.07.21
申请号
GB19930011700
申请日期
1993.06.07
申请人
CHEN CHENG HAO
发明人
分类号
F16K31/08
主分类号
F16K31/08
代理机构
代理人
主权项
地址
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