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经营范围
发明名称
Venetian blind
摘要
申请公布号
US2608249(A)
申请公布日期
1952.08.26
申请号
US19490105707
申请日期
1949.07.20
申请人
SEALY IVAN E
发明人
SEALY IVAN E.
分类号
E06B9/384
主分类号
E06B9/384
代理机构
代理人
主权项
地址
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