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发明名称
摘要
申请公布号
PL207474(A1)
申请公布日期
1980.02.11
申请号
PL19780207474
申请日期
1978.06.07
申请人
PRZED BUDOWNICTWA PRZEMYSLOWEG
发明人
DMYTRAK JANUSZ
分类号
E04G;(IPC1-7):E04G/
主分类号
E04G
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