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发明名称
SOUND EXCLUDING VENTILATING WINDOW
摘要
申请公布号
CA365572(A)
申请公布日期
1937.04.20
申请号
CAD365572
申请日期
申请人
ERNEST THOMAS FISK
发明人
ERNEST THOMAS FISK
分类号
主分类号
代理机构
代理人
主权项
地址
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