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发明名称
Chimney ventilator or cowl
摘要
申请公布号
US2321919(A)
申请公布日期
1943.06.15
申请号
US19400372153
申请日期
1940.12.28
申请人
KENNEDY VICTOR J
发明人
KENNEDY VICTOR J.
分类号
F23L17/02
主分类号
F23L17/02
代理机构
代理人
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