UL SUBJECT 647A-1998 Outline of Investigation for Synthetic Fuels for Listed Kerosene-Fired Portable Heaters and Kerosene-Fired Room Heaters (Issue Number: 1)
2010UL SUBJECT 647A-2010 OUTLINE OF INVESTIGATION FOR SYNTHETIC FUELS FOR LISTED KEROSENE-FIRED PORTABLE HEATERS AND KEROSENE-FIRED ROOM HEATERS (Issue 3)
2002UL SUBJECT 647A-2002 Outline of Investigation for Synthetic Fuels for Listed Kerosene-Fired Portable Heaters and Kerosene-Fired Room Heaters (Issue 2)
1998UL SUBJECT 647A-1998 Outline of Investigation for Synthetic Fuels for Listed Kerosene-Fired Portable Heaters and Kerosene-Fired Room Heaters (Issue Number: 1)