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经营范围
发明名称
Venetian blind slat
摘要
申请公布号
US2534673(A)
申请公布日期
1950.12.19
申请号
US19450598834
申请日期
1945.06.11
申请人
WARD HOLLAND JOHN
发明人
HOLLAND JOHN WARD
分类号
E06B9/386
主分类号
E06B9/386
代理机构
代理人
主权项
地址
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