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发明名称
Improvements in steam trap and air vent valve therefor
摘要
申请公布号
GB724440(A)
申请公布日期
1955.02.23
申请号
GB19530006593
申请日期
1953.03.10
申请人
HERBERT JAMES CLEMENT WELLS
发明人
分类号
F16T1/45
主分类号
F16T1/45
代理机构
代理人
主权项
地址
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