Decision No. 357-NN-QLN/QD issuing the provisional regulation on the granting of permits for underground water prospection, exploitation, drilling and the registration of underground water exploitation works
Decision No. 357-NN-QLN/QD dated March 13, 1997 of the Ministry of Labour, War Invalids and Social Affairs issuing the provisional regulation on the granting of permits for underground water prospection, exploitation, drilling and the registration of underground water exploitation works
