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发明名称
SPOSOB OCHRONY KATODOWEJ KOLUMN RUR,ZWLASZCZA RUR OSLONOWYCH W GORNICTWIE OTWOROWYM SIARKI
摘要
申请公布号
PL102778(B1)
申请公布日期
1979.04.30
申请号
PL19770196945
申请日期
1977.03.24
申请人
发明人
分类号
C23F13/00;(IPC1-7):C23F13/00
主分类号
C23F13/00
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