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发明名称
Door construction
摘要
申请公布号
US1919685(A)
申请公布日期
1933.07.25
申请号
US19320600618
申请日期
1932.03.23
申请人
CORNELL IRON WORKS, INC.
发明人
CORNELL MILTON L.
分类号
E06B3/48
主分类号
E06B3/48
代理机构
代理人
主权项
地址
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