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发明名称
Interlocked structure
摘要
申请公布号
US2191161(A)
申请公布日期
1940.02.20
申请号
US19390254641
申请日期
1939.02.04
申请人
ROMANOFF HIPPOLYTE W
发明人
ROMANOFF HIPPOLYTE W.
分类号
E04C3/04;E04C3/07;E04C3/29
主分类号
E04C3/04
代理机构
代理人
主权项
地址
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