Method for determination of cumulated seismic energy emitted from a longwall in a mine and the average value of the absorption coefficient of this energy in the coal seam in front of the longwall
摘要
申请公布号
PL214059(B1)
申请公布日期
2013.06.28
申请号
PL20090388311
申请日期
2009.06.18
申请人
GLOWNY INSTYTUT GORNICTWA
发明人
KORNOWSKI JERZY;KLABIS LEONARD;MALESZA ANDRZEJ;TETLA WOJCIECH;PIERZYNA ALEKSANDRA;KURZEJA JOANNA;WASKO ANDRZEJ