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发明名称
Improvements in self closing taps, valves or the like
摘要
申请公布号
GB478870(A)
申请公布日期
1938.01.26
申请号
GB19370011045
申请日期
1937.04.17
申请人
GUMMERS, LIMITED;LEONARD WILKES GUMMER
发明人
分类号
F16K21/10
主分类号
F16K21/10
代理机构
代理人
主权项
地址
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