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发明名称
Roll-away screen
摘要
申请公布号
US2615513(A)
申请公布日期
1952.10.28
申请号
US19490121539
申请日期
1949.10.15
申请人
RADFORD THOMAS C
发明人
RADFORD THOMAS C.
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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