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发明名称
Venetian blind ladder-web roll construction
摘要
申请公布号
US2134918(A)
申请公布日期
1938.11.01
申请号
US19370144591
申请日期
1937.05.25
申请人
THE RUSSELL MANUFACTURING COMPANY
发明人
HENDLEY JAMES A.
分类号
E06B9/382
主分类号
E06B9/382
代理机构
代理人
主权项
地址
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