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发明名称
Improvements in self-closing valves
摘要
申请公布号
GB400892(A)
申请公布日期
1933.11.02
申请号
GB19330018648
申请日期
1933.06.30
申请人
HUBERT LAMPLOTA
发明人
分类号
B67D3/04;F16K31/54
主分类号
B67D3/04
代理机构
代理人
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