美利体育登录入口官网:HD 384.4.47 S2-1995
建筑物的电气设施.第4部分:安全防护.第47章:安全防护措施的应用.第470节:总则.第471节:防触电保护措施( IEC 364-4-47-1981+A1-1993,修改件)
Electrical Installations of Buildings Part 4: Protection for Safety Chapter 47: Application of Protective Measures for Safety Section 470: General Section 471: Measures of Protection Against Electric Shock