理事会指令91/684/EEC修订指令89/437/EEC关于影响蛋制品生产和投放市场的卫生和健康问题:OJ L 376,1991年12月31日
Council Directive 91/684/EEC amending Directive 89/437/EEC on hygiene and health problems affecting the production and the placing on the market of egg productsCitation: OJ L 376, 31 December 1991