
Mine plans - Drilling and cavern - Part 1: Drilling.
NORMA vydaná dňa 1.9.2025
Designation standards: DIN 21914-1:2025-09
Publication date standards: 1.9.2025
The number of pages: 37
Approximate weight : 111 g (0.24 lbs)
Country: German technical standard
Kategória: Technické normy DIN
Bergmännisches Risswerk - Bohrungen und Kavernen - Teil 1: Bohrungen.