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发明名称
Venetian blind structure
摘要
申请公布号
US2315605(A)
申请公布日期
1943.04.06
申请号
US19420448925
申请日期
1942.06.29
申请人
EHRENFELD HUGO J
发明人
EHRENFELD HUGO J.
分类号
E06B9/303
主分类号
E06B9/303
代理机构
代理人
主权项
地址
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