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发明名称
Overhead swinging door
摘要
申请公布号
US2355956(A)
申请公布日期
1944.08.15
申请号
US19420439110
申请日期
1942.04.15
申请人
发明人
DAKAN ELMER J.
分类号
E05D15/40
主分类号
E05D15/40
代理机构
代理人
主权项
地址
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