STN 721230 (721230)

Kremence a silicity.

NORMA vydaná dňa 1.8.1989

The information about the standard:

Designation standards: STN 721230
Classification mark: 721230
Catalog number: 75863
Note: NEPLATNÁ
Publication date standards: 1.8.1989
Approximate weight : 300 g (0.66 lbs)
Country: Slovak technical standard
Kategória: Technické normy STN