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发明名称
Rollscreen unit
摘要
申请公布号
US1963404(A)
申请公布日期
1934.06.19
申请号
US19340711008
申请日期
1934.02.13
申请人
ROLSCREEN COMPANY
发明人
DIXSON HARRY
分类号
E06B9/54
主分类号
E06B9/54
代理机构
代理人
主权项
地址
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