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发明名称
SPOSOB ZABEZPIECZANIA OBIEKTOW POWIERZCHNIOWYCH PRZED WPLYWAMI PODZIEMNEJ EKSPLOATACJI GORNICZEJ
摘要
申请公布号
PL96330(B1)
申请公布日期
1977.12.31
申请号
PL19760186371
申请日期
1976.01.06
申请人
发明人
分类号
E02D27/34;E02D31/08;(IPC1-7):E02D27/34
主分类号
E02D27/34
代理机构
代理人
主权项
地址
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