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发明名称
Air vent for water systems
摘要
申请公布号
US2655170(A)
申请公布日期
1953.10.13
申请号
US19500178857
申请日期
1950.08.11
申请人
ANDERSON PRODUCTS, INC.
发明人
FERGUSON WARREN T.
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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