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发明名称
Combined screen and venetian blind unit for window frames
摘要
申请公布号
US2467431(A)
申请公布日期
1949.04.19
申请号
US19470731378
申请日期
1947.02.27
申请人
KELLOGG WILBURN M
发明人
KELLOGG WILBURN M.
分类号
E06B9/264;E06B9/52
主分类号
E06B9/264
代理机构
代理人
主权项
地址
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