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发明名称
Window ventilation device
摘要
申请公布号
US2604839(A)
申请公布日期
1952.07.29
申请号
US19490092364
申请日期
1949.05.10
申请人
CASE VENT INC.
发明人
RASMUS JULIUS;RASMUS EDWARD
分类号
E06B7/03
主分类号
E06B7/03
代理机构
代理人
主权项
地址
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