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发明名称
Building construction
摘要
申请公布号
US1912561(A)
申请公布日期
1933.06.06
申请号
US19310533064
申请日期
1931.04.27
申请人
WILLIAMS THOMAS C
发明人
WILLIAMS THOMAS C.
分类号
E06B7/20
主分类号
E06B7/20
代理机构
代理人
主权项
地址
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