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发明名称
NARZEDZIE DO OBROBKI WYKANCZAJACEJ OTWOROW ZWLASZCZA O MALEJ SREDNICY
摘要
申请公布号
PL104167(B1)
申请公布日期
1979.08.31
申请号
PL19760194432
申请日期
1976.12.15
申请人
发明人
分类号
B24B5/48;(IPC1-7):B24B5/48
主分类号
B24B5/48
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