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发明名称
METHOD OF DETECTING MARKED VARIATIONS IN THICKNESS OF COAL DEPOSITS
摘要
申请公布号
PL247430(A1)
申请公布日期
1985.11.05
申请号
PL19840247430
申请日期
1984.04.27
申请人
KOPALNIA WEGLA KAMIENNEGO MIEC
发明人
ROZYCKI ALFRED;MALOSZEWSKI STANISLAW;ALBRECHT GERARD;DWOREK JANUSZ;GOSZCZ ANTONI;SOKOLA TADEUSZ;CHOLEWIK EUGENIUSZ
分类号
E21C;G01N;(IPC1-7):G01N/;E21C/
主分类号
E21C
代理机构
代理人
主权项
地址
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