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发明名称
Ventilating window for wall structures
摘要
申请公布号
US2925769(A)
申请公布日期
1960.02.23
申请号
US19570669101
申请日期
1957.07.01
申请人
WINCO VENTILATOR COMPANY
发明人
KUBATZKY OTTO
分类号
E06B7/06
主分类号
E06B7/06
代理机构
代理人
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地址
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