
Round pit timber; load bearing capacity of props and bars; calculation.
NORMA vydána dne 1.3.1989
Designation standards: DIN 21315:1989-03
Note: NEPLATNÁ
Publication date standards: 1.3.1989
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: German technical standard
Kategorie: Technické normy DIN
Grubenrundholz; Tragfähigkeit von Stempeln und Kappen; Berechnung.