TY  - BOOK
ED  - National Fire Protection Association
ED  - American Gas Association, AGA
ED  - American Gas Association, AGA
TI  - National fuel gas code
U1  - N389 N213 54 0014026 
PY  - 2002///
CY  - Ohio
PB  - International Approval Services
N1  - Para las referencias 8.3.7, 8.3.7.1 y 8.3.7.2 contiene una tentativa de enmienda de 2003
ER  -