| Associated with 多目的インターネットメイル拡張 |
| Associated with 多目的インターネット・メイル拡張 |
| Associated with 多目的インターネット・メール拡張 |
| Associated with 多目的インターネットメール拡張 |
| Associated with 多目的インタネットメール拡張 |
| Associated with RFC1341 |
| Associated with RFC 1341 |
| Associated with JIS X 5810-5 |
| Associated with JIS X 5810-3 |
| Associated with JIS X 5810 |
| Associated with JIS X 5810-4 |
| Associated with JIS X 5810-1 |
| Associated with JIS X 5810-2 |
| Associated with RFC 1344 |
| Associated with RFC 1820 |
| Associated with RFC 1844 |
| Associated with RFC 4289 |