BY ELECTROMAGNETIC WALVES CONNECTED CONTROL CIRCUIT AND OSCILLATOR FOR MEASURING WAVE PROPAGATION TIME IN PARTICULAR PROPAGATION TIME OF SEISMIC VIBRATIONS
摘要
申请公布号
HU171134(B)
申请公布日期
1977.11.28
申请号
HU1974MA02627
申请日期
1974.12.18
申请人
MAGYAR ALLAMI EOETVOES LORAND GEOFIZIKAI INTEZET,HU
