1983年度全国R20型、R6型锌锰干电池质量检验评比工作已完成。参加这次评比的R20型共80家,126个牌号。评比按:糊式一级品99个牌号中取总分90分以上的22名,二级品5个牌号中取总分最高的1名,加电解锰粉的糊式17个牌号中取总分100分以上的3名,纸板式4个牌号中取总分最高的1名;参加评比的R6型共 In 1983, the quality inspection and appraisal of the national R20 and R6 zinc-manganese dry batteries was completed. A total of 80 R120 models and 126 brands participated in the competition. According to the comparison, 22 of the 99 grades of the first-class paste-type products have a total score of 90 points or more, and the highest of the five grades of the second-grade products is 1, and the total of the 17 grades of the paste containing electrolytic manganese powder are selected. 3 points with a score of 100 points or more, and 1 point with the highest total score among four grades of cardboard;