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发明名称
Interlocked double wall
摘要
申请公布号
US2688244(A)
申请公布日期
1954.09.07
申请号
US19490132975
申请日期
1949.12.14
申请人
GEORGE STAVROU
发明人
STAVROU GEORGE
分类号
E04B2/02;E04B2/28
主分类号
E04B2/02
代理机构
代理人
主权项
地址
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