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发明名称
FLEXIBLE VENTILATION PIPE FOR SEPARATE AIRING
摘要
申请公布号
CS221097(B1)
申请公布日期
1983.04.29
申请号
CS19810009764
申请日期
1981.12.24
申请人
LAPCIK,VLADIMIR,CS;PEKAREK,TOMAS,CS;KALAFUT,STEFAN,CS
发明人
LAPCIK,VLADIMIR,CS;PEKAREK,TOMAS,CS;KALAFUT,STEFAN,CS
分类号
E21F1/04;(IPC1-7):E21F1/04
主分类号
E21F1/04
代理机构
代理人
主权项
地址
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