Slitina platina-rhodium PtRh20.
NORMA vydána dne 30.11.1976
Designation standards: ČSN 423864
Classification mark: 423864
Catalog number: 3906
Publication date standards: 30.11.1976
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technické normy ČSN