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发明名称
Improvements in or relating to fluid flow regulating devices
摘要
申请公布号
GB777147(A)
申请公布日期
1957.06.19
申请号
GB19540035574
申请日期
1954.12.08
申请人
THE CLIMAX ROCK DRILL AND ENGINEERING WORKS LIMITED
发明人
BERTRAM BENJAMIN QUESENBURY
分类号
G05D7/01
主分类号
G05D7/01
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代理人
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