TY  - BOOK
ED  - NATIONAL BOARD OF BOILER AND PRESSURE VESSEL INSPECTOR
TI  - NATIONAL BOARD INSPECTION CODE
U1  - 621.184 
PY  - 1956///
CY  - Estados Unidos
PB  - THE NATIONAL BOARD OF BOILER AND PRESSURE VESSEL INSPECTOR
KW  - CALDERAS NAVALES
ER  -