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发明名称
CEILING JOIST OF THE MINING DRIFT SUPPORT UNIT
摘要
申请公布号
CS247975(B1)
申请公布日期
1987.01.15
申请号
CS19850004024
申请日期
1985.06.05
申请人
DZIERZA,EMIL,CS;BARANEK,FRANTISEK,CS;MYNAR,VLADIMIR,CS;NOVOTNY,STANISLAV,CS;SEVCIK,ARNOST,CS
发明人
DZIERZA,EMIL,CS;BARANEK,FRANTISEK,CS;MYNAR,VLADIMIR,CS;NOVOTNY,STANISLAV,CS;SEVCIK,ARNOST,CS
分类号
E21D11/00;(IPC1-7):E21D11/00
主分类号
E21D11/00
代理机构
代理人
主权项
地址
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