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发明名称
Window guard
摘要
申请公布号
US2422840(A)
申请公布日期
1947.06.24
申请号
US19450623786
申请日期
1945.10.22
申请人
MAYER JOHN L
发明人
MAYER JOHN L.
分类号
E06B9/01;E06B9/06
主分类号
E06B9/01
代理机构
代理人
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