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发明名称
Wall construction
摘要
申请公布号
US1778881(A)
申请公布日期
1930.10.21
申请号
US19280259254
申请日期
1928.03.05
申请人
GOODSON ALFORD HUBERT
发明人
ALFORD HUBERT GOODSON
分类号
E04B2/30
主分类号
E04B2/30
代理机构
代理人
主权项
地址
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