| ANSI C78.2-1978 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
| F20T12/WW | 06172 | MARVEL LAMP CO INC |
| F20T12/WW | 08108 | LAMP INDUSTRY FOR USE WITH INDUSTRY DESIGNATIONS AND ABBREVIATIONS FOR LAMPS |
| F20T12/WW | 08805 | GENERAL ELECTRIC COMPANY DBA GE |
| F20T12/WW | 58325 | U S LIGHTING CORP |
| F20T12/WW | 62607 | PHILIPS ELECTRONICS NORTH AMERICA CORPORATION DBA PHILIPS LIGHTING DIV PHILIPS LIGHTING COMPANY |
| F20T12N | 04655 | GENERAL DYNAMICS MISSION SYSTEMS, INC. |
| F20T12SWN | 08108 | LAMP INDUSTRY FOR USE WITH INDUSTRY DESIGNATIONS AND ABBREVIATIONS FOR LAMPS |
| F20T12WWX | 08108 | LAMP INDUSTRY FOR USE WITH INDUSTRY DESIGNATIONS AND ABBREVIATIONS FOR LAMPS |
| F20T12WWX | 08805 | GENERAL ELECTRIC COMPANY DBA GE |
| F20T12SWN | 08805 | GENERAL ELECTRIC COMPANY DBA GE |
| F20T12SWN | 62607 | PHILIPS ELECTRONICS NORTH AMERICA CORPORATION DBA PHILIPS LIGHTING DIV PHILIPS LIGHTING COMPANY |
| F20T12/WWX | 62607 | PHILIPS ELECTRONICS NORTH AMERICA CORPORATION DBA PHILIPS LIGHTING DIV PHILIPS LIGHTING COMPANY |
| F20T12/WW | 88204 | GTE PRODUCTS CORP SYLVANIA MINIATURE LIGHTING DIV |