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发明名称
Venetian blind construction
摘要
申请公布号
US2135795(A)
申请公布日期
1938.11.08
申请号
US19370142904
申请日期
1937.05.15
申请人
THE COLUMBIA MILLS, INC.
发明人
BURNS FRED J.
分类号
E06B9/305
主分类号
E06B9/305
代理机构
代理人
主权项
地址
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