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发明名称
Ceiling construction
摘要
申请公布号
US1967071(A)
申请公布日期
1934.07.17
申请号
US19320641394
申请日期
1932.11.05
申请人
INDUSTRIAL PATENTS CORPORATION
发明人
WILSON JOHN E.
分类号
E04B2/86
主分类号
E04B2/86
代理机构
代理人
主权项
地址
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