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发明名称
Means for securing inverted t-shaped members in a metal grid
摘要
申请公布号
US2830683(A)
申请公布日期
1958.04.15
申请号
US19540411873
申请日期
1954.02.23
申请人
STEWARD GRIFFITH
发明人
GRIFFITH STEWARD
分类号
E04B1/58;E04B9/12
主分类号
E04B1/58
代理机构
代理人
主权项
地址
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