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发明名称
Structural addition member for converting single pane window sash into double pane sash
摘要
申请公布号
US2436037(A)
申请公布日期
1948.02.17
申请号
US19450591210
申请日期
1945.04.30
申请人
DONEY WILLIAM A
发明人
DONEY WILLIAM A.
分类号
E06B3/28;E06B3/54
主分类号
E06B3/28
代理机构
代理人
主权项
地址
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