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经营范围
发明名称
Air diffuser
摘要
申请公布号
US2907260(A)
申请公布日期
1959.10.06
申请号
US19570694459
申请日期
1957.11.04
申请人
CHARLES DAVIES
发明人
DAVIES CHARLES
分类号
F24F13/072
主分类号
F24F13/072
代理机构
代理人
主权项
地址
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