BOCA CHAPTER 22 NBC-1999
钢

Steel

标准号

BOCA CHAPTER 22 NBC-1999

发布日期

1999年01月01日

实施日期

废止日期

无

中国标准分类号

H40

国际标准分类号

77.140.01

发布单位

US-BOCA

适用范围

The BOCA National Mechanical Code was initially prepared and updated on the premise that adequate code requirements are essential to the safe installation and maintenance of all mechanical equipment and systems in order to protect the public health, sa