znr_1=extract(rel_model_name(),1,4)
znr_2=extract(rel_model_name(),5,3)
znr_3=extract(rel_model_name(),8,3)
znr_4=extract(rel_model_name(),11,2)
znr_5=extract(rel_model_name(),13,2)
znr_neu=(znr_1+" "+znr_2+" "+znr_3+" "+znr_4+" "+znr_5)