
Determination of yield of benzene-soluble extract in brown coal
NORMA vydaná dňa 1.1.1987
    
        Designation standards: GB/T 1575-1987
                
                
                
                Note:    NEPLATNÁ
               
                Publication date standards:  1.1.1987
                Country:          Chinese technical standard
        Kategória: Technické normy GB