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经营范围
发明名称
Sheet metal sash and ventilator
摘要
申请公布号
US1885230(A)
申请公布日期
1932.11.01
申请号
US19270188616
申请日期
1927.05.04
申请人
THE O. M. EDWARDS COMPANY, INC.
发明人
CHAFFEE EDWARD F.
分类号
E06B7/10
主分类号
E06B7/10
代理机构
代理人
主权项
地址
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