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发明名称
Ceiling construction
摘要
申请公布号
US1758201(A)
申请公布日期
1930.05.13
申请号
US19260085075
申请日期
1926.02.01
申请人
UNITED STATES GYPSUM COMPANY
发明人
REEL HERBERT W.
分类号
E04B5/10
主分类号
E04B5/10
代理机构
代理人
主权项
地址
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