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发明名称
Air-relief valve
摘要
申请公布号
US1754782(A)
申请公布日期
1930.04.15
申请号
US19260150867
申请日期
1926.11.26
申请人
THE SWARTWOUT COMPANY
发明人
BARRETT JOSEPH M.
分类号
F24D19/08
主分类号
F24D19/08
代理机构
代理人
主权项
地址
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