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发明名称
(B1) ;PLANER UNIT
摘要
申请公布号
PL219665(A1)
申请公布日期
1980.07.14
申请号
PL19790219665
申请日期
1979.11.16
申请人
GEWERK EISENHUETTE WESTFALIA
发明人
分类号
E21C27/34;E21C29/16;E21C35/12;(IPC1-7):E21C/
主分类号
E21C27/34
代理机构
代理人
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