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发明名称
PRZEKRYCIE DYLATACYJNE
摘要
申请公布号
PL206093(A1)
申请公布日期
1979.05.07
申请号
PL19780206093
申请日期
1978.04.13
申请人
POLITECHNIKA SLASKA IM WINCENT
发明人
MENTEL STANISLAW
分类号
E01D19/06;E04B;E04B1/68;(IPC1-7):E04B/
主分类号
E01D19/06
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代理人
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