
Chemically prepared oxides and hydrated oxides of iron (marigold maroon and yellow) pure and reduced.
NORMA vydaná dňa 22.5.1939
    
        Designation standards: BS 851:1939
                
                
                
                Note:    NEPLATNÁ
               
                Publication date standards:  22.5.1939
        Approximate weight : 300 g (0.66 lbs)
        Country:          British technical standard
        Kategória: Technické normy BS