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发明名称
URZADZENIE DO KIEROWANIA SKRAJNA SEKCJA ZMECHANIZOWANEJ OBUDOWY SCIANOWEJ
摘要
申请公布号
PL102678(B1)
申请公布日期
1979.04.30
申请号
PL19770197560
申请日期
1977.04.21
申请人
发明人
分类号
E21C;E21D23/00;(IPC1-7):E21D23/00
主分类号
E21C
代理机构
代理人
主权项
地址
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