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发明名称
Partition
摘要
申请公布号
US2062868(A)
申请公布日期
1936.12.01
申请号
US19330655047
申请日期
1933.02.03
申请人
DAHLSTROM METALLIC DOOR COMPANY
发明人
DAWSON AXEL G.
分类号
E04B2/78
主分类号
E04B2/78
代理机构
代理人
主权项
地址
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