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经营范围
发明名称
Ceiling construction
摘要
申请公布号
US1785050(A)
申请公布日期
1930.12.16
申请号
US19270210139
申请日期
1927.08.02
申请人
ALFRED SCHMID
发明人
SCHMID ALFRED
分类号
E04B5/26
主分类号
E04B5/26
代理机构
代理人
主权项
地址
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