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发明名称
Tensioning and locking device for frameless window screens
摘要
申请公布号
US2380794(A)
申请公布日期
1945.07.31
申请号
US19440563953
申请日期
1944.11.17
申请人
RY-LOCK COMPANY, LTD.
发明人
RUST DAVID J.
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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