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发明名称
Window screen
摘要
申请公布号
US2500470(A)
申请公布日期
1950.03.14
申请号
US19480002077
申请日期
1948.01.13
申请人
RY-LOCK COMPANY, INC.
发明人
RUST DAVID J.;JENSEN JACK H.
分类号
E06B9/52
主分类号
E06B9/52
代理机构
代理人
主权项
地址
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