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发明名称
Means for assembling construction units
摘要
申请公布号
US2340911(A)
申请公布日期
1944.02.08
申请号
US19390299926
申请日期
1939.10.18
申请人
URBAIN LEON F
发明人
URBAIN LEON F.
分类号
E04B9/28;E04B9/30
主分类号
E04B9/28
代理机构
代理人
主权项
地址
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