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发明名称
Roller screen
摘要
申请公布号
US2595508(A)
申请公布日期
1952.05.06
申请号
US19480046517
申请日期
1948.08.27
申请人
GEORGE BRIDGES ROBERT
发明人
BRIDGES ROBERT GEORGE
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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