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发明名称
Window shade slat
摘要
申请公布号
US1943896(A)
申请公布日期
1934.01.16
申请号
US19320630161
申请日期
1932.08.24
申请人
KOPFSTEIN CARL E
发明人
KOPFSTEIN CARL E.
分类号
E06B9/78
主分类号
E06B9/78
代理机构
代理人
主权项
地址
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