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经营范围
发明名称
Improvements in or relating to gate or sluice valves for pipe lines
摘要
申请公布号
GB948987(A)
申请公布日期
1964.02.05
申请号
GB19620003284
申请日期
1962.01.29
申请人
PORRINGER & SCHINDLER G.M.B.H.
发明人
分类号
F16K3/28
主分类号
F16K3/28
代理机构
代理人
主权项
地址
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