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发明名称
SPOSOB WYKONYWANIA WLOMOW I OBRYSOW W WYROBISKACH GORNICZYCH METODA STRZELNICZA
摘要
申请公布号
PL100881(B1)
申请公布日期
1978.11.30
申请号
PL19760192359
申请日期
1976.09.11
申请人
发明人
分类号
C06B45/00;E21D9/00;(IPC1-7):E21D9/00
主分类号
C06B45/00
代理机构
代理人
主权项
地址
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