
Electrical apparatus for explosive atmospheres--Sand filled electrical apparatus""q""
NORMA vydána dne 18.6.1987
    
        Designation standards: GB 3836.7-1987
                
                
                
                Note:    NEPLATNÁ
               
                Publication date standards:  18.6.1987
                Country:          Chinese technical standard
        Kategorie:  Technické normy GB