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发明名称
Hot water heating system
摘要
申请公布号
US1931419(A)
申请公布日期
1933.10.17
申请号
US19330653723
申请日期
1933.01.26
申请人
THRUSH HOMER A
发明人
THRUSH HOMER A.
分类号
F24D3/02
主分类号
F24D3/02
代理机构
代理人
主权项
地址
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