Projekta Nr.ISO 21557:2025
Nosaukums<p class="MsoBodyText"><span lang="EN-GB">This document establishes a classification of mining methods based on specification such as ore grade and recovery, cost of infrastructure, ore extraction, labour and machine costs, underground support costs and geotechnical factors.</span></p>
Reģistrācijas numurs (WIID)86790
Darbības sfēra<p class="MsoBodyText"><span lang="EN-GB">This document establishes a classification of mining methods based on specification such as ore grade and recovery, cost of infrastructure, ore extraction, labour and machine costs, underground support costs and geotechnical factors.</span></p>
StatussStandarts spēkā
ICS grupa73.020