
Micrographics—Rules for microfilming technical drawings and technical documentations on 35mm roll film
NORM herausgegeben am 1.4.1994
    
        Designation standards: GB/T 15021-1994
                
                
                
                Note:    UNGĂśLTIG
               
                Publication date standards:  1.4.1994
                Country:          Chinese technical standard
        Kategorie: Technische Normen GB