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发明名称
Black-out screening
摘要
申请公布号
US2373416(A)
申请公布日期
1945.04.10
申请号
US19420427315
申请日期
1942.01.19
申请人
THE AMERICAN PULLEY COMPANY
发明人
RENTON HENRY N.
分类号
E06B7/082
主分类号
E06B7/082
代理机构
代理人
主权项
地址
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