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发明名称
Heat saver and humidifier
摘要
申请公布号
US1910199(A)
申请公布日期
1933.05.23
申请号
US19320599461
申请日期
1932.03.17
申请人
BRADY HARRY L
发明人
BRADY HARRY L.
分类号
F24D5/00
主分类号
F24D5/00
代理机构
代理人
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