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发明名称
Improvements relating to washers or valves for taps or cocks
摘要
申请公布号
GB540065(A)
申请公布日期
1941.10.03
申请号
GB19400009818
申请日期
1940.06.05
申请人
WILLIAM ARTHUR MEESON
发明人
分类号
F16K1/48
主分类号
F16K1/48
代理机构
代理人
主权项
地址
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