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发明名称
Heating device for water fountains
摘要
申请公布号
US2201901(A)
申请公布日期
1940.05.21
申请号
US19380248325
申请日期
1938.12.29
申请人
KEEN EVERETT M
发明人
KEEN EVERETT M.
分类号
A01K7/02;F24H1/10
主分类号
A01K7/02
代理机构
代理人
主权项
地址
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