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发明名称
DUST RETAINING PROTECTIVE FILTER
摘要
申请公布号
PL253001(A1)
申请公布日期
1987.08.24
申请号
PL19850253001
申请日期
1985.04.17
申请人
GWARECTWO BUDOWNICTWA GORNICZE
发明人
KOSTA EUGENIUSZ;GOLASZEWSKI ANTONI;TYLEC LESZEK;BUCHWALD ZDZISLAW;POLOCZEK ANDRZEJ
分类号
A62B;(IPC1-7):A62B/
主分类号
A62B
代理机构
代理人
主权项
地址
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