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发明名称
Window and screen securer
摘要
申请公布号
US1811681(A)
申请公布日期
1931.06.23
申请号
US19300462551
申请日期
1930.06.20
申请人
WALTER BILDSTEIN
发明人
BILDSTEIN WALTER
分类号
E05B65/08
主分类号
E05B65/08
代理机构
代理人
主权项
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