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发明名称
KOTVA
摘要
申请公布号
CS8207934(A1)
申请公布日期
1985.07.16
申请号
CS19820007934
申请日期
1982.11.08
申请人
DOSTAL OLDRICH;VERNER JINDRICH ING.
发明人
DOSTAL OLDRICH;VERNER JINDRICH ING.
分类号
E21C29/08;(IPC1-7):E21C29/08
主分类号
E21C29/08
代理机构
代理人
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地址
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