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发明名称
Door frame and roll-up door mechanism for air locks
摘要
申请公布号
US3006352(A)
申请公布日期
1961.10.31
申请号
US19590855703
申请日期
1959.11.27
申请人
CID AIR STRUCTURES COMPANY
发明人
HOZAK ROBERT FRANK
分类号
E04H15/22
主分类号
E04H15/22
代理机构
代理人
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地址
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