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发明名称
Improvements in and relating to mechanical valves
摘要
申请公布号
GB672427(A)
申请公布日期
1952.05.21
申请号
GB19500010020
申请日期
1950.04.24
申请人
PETER HAROLD MANDERSON;THOMAS THORNTON SHIPMAN
发明人
分类号
F16K15/06
主分类号
F16K15/06
代理机构
代理人
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