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经营范围
发明名称
GATE VALVES
摘要
申请公布号
GB8431864(D0)
申请公布日期
1985.01.30
申请号
GB19840031864
申请日期
1984.12.18
申请人
HOPKINSONS LTD
发明人
分类号
F16K3/02;F16K39/04
主分类号
F16K3/02
代理机构
代理人
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地址
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