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经营范围
发明名称
Improvements relating to valves, particularly float-operated valves
摘要
申请公布号
GB639615(A)
申请公布日期
1950.07.05
申请号
GB19470030382
申请日期
1947.11.15
申请人
FREDERICK BENNETT ELLACOTT;THOMAS WILLIAM ROOK
发明人
分类号
F16K31/24
主分类号
F16K31/24
代理机构
代理人
主权项
地址
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