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经营范围
发明名称
Warm air circulating and filtering apparatus
摘要
申请公布号
US2101916(A)
申请公布日期
1937.12.14
申请号
US19320633500
申请日期
1932.09.16
申请人
PHAIL HERMAN A
发明人
PHAIL HERMAN A.
分类号
F24F3/16
主分类号
F24F3/16
代理机构
代理人
主权项
地址
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