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发明名称
Building construction
摘要
申请公布号
US1826767(A)
申请公布日期
1931.10.13
申请号
US19280274193
申请日期
1928.05.01
申请人
ERNST GEIGER
发明人
GEIGER ERNST
分类号
E04H6/14
主分类号
E04H6/14
代理机构
代理人
主权项
地址
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