کل 26640

  استاندارد NFPA 54

21خرداد
NFPA 54 National Fuel Gas Code

NFPA 54 National Fuel Gas Code

This code is a safety code that shall apply to the installation of fuel gas piping systems, appliances, equipment, and related accessories as shown in 1.1. l. l (A) through 1.1.l .l (F) .