Research and development on safety in mines : replies to the questionnaire / transmitted by the Government of Hungary.
1993
Detalles de los registros
Signatura[E/ECE/]ENERGY/WP.1/GE.1/R.7/Add.4
TítuloResearch and development on safety in mines : replies to the questionnaire / transmitted by the Government of Hungary.
AutoresHungary
FechaGeneva : [UN], 18 June 1993.
Descripción
4 p.