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发明名称
Venetian blind
摘要
申请公布号
US2139781(A)
申请公布日期
1938.12.13
申请号
US19370137292
申请日期
1937.04.16
申请人
HUTTIG SASH & DOOR COMPANY
发明人
TRAMMELL EARL M.
分类号
E06B9/327
主分类号
E06B9/327
代理机构
代理人
主权项
地址
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