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经营范围
发明名称
Improvements in or relating to a stop valve comprising a screw spindle
摘要
申请公布号
GB850031(A)
申请公布日期
1960.09.28
申请号
GB19580003017
申请日期
1958.01.29
申请人
DOUWE JANSE CUPEDO
发明人
分类号
F16K31/46
主分类号
F16K31/46
代理机构
代理人
主权项
地址
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