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经营范围
发明名称
Diffusers
摘要
申请公布号
US3170387(A)
申请公布日期
1965.02.23
申请号
US19620245238
申请日期
1962.12.17
申请人
FELTER JOHN V
发明人
FELTER JOHN V.
分类号
F24F13/075
主分类号
F24F13/075
代理机构
代理人
主权项
地址
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