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经营范围
发明名称
Steel and concrete ceiling
摘要
申请公布号
PL381439(A1)
申请公布日期
2008.07.07
申请号
PL20060381439
申请日期
2006.12.29
申请人
POLITECHNIKA SWIETOKRZYSKA
发明人
KOWAL ZBIGNIEW
分类号
E04B5/32
主分类号
E04B5/32
代理机构
代理人
主权项
地址
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