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经营范围
发明名称
Counterweighted upward acting door
摘要
申请公布号
US3094163(A)
申请公布日期
1963.06.18
申请号
US19610142594
申请日期
1961.10.03
申请人
CRAWFORD DOOR COMPANY
发明人
HERBER JOSEPH S.
分类号
E05D15/24
主分类号
E05D15/24
代理机构
代理人
主权项
地址
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