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经营范围
发明名称
Reversible window construction
摘要
申请公布号
US2474126(A)
申请公布日期
1949.06.21
申请号
US19470753986
申请日期
1947.06.11
申请人
WINDOW-FRAME CORPORATION
发明人
TIDWELL WENDELL B.
分类号
E06B3/50
主分类号
E06B3/50
代理机构
代理人
主权项
地址
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