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| CD4028BCJ | 27014 | NATIONAL SEMICONDUCTOR CORPORATION |
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| 81A5034A1001 | 80372 | MARINE CORPS |
| MC14028BAL | 04713 | FREESCALE SEMICONDUCTOR, INC. |
| MC14028BCL | 04713 | FREESCALE SEMICONDUCTOR, INC. |
| F4028BPC | 07263 | FAIRCHILD SEMICONDUCTOR CORP |
| CD4028BF/3 | 18714 | HARRIS CORP FINDLAY OPNS |
| CD4028BF | 34371 | RENESAS ELECTRONICS AMERICA INC |
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| M38510/05951BEB | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| M38510/05951BEX | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MIL-M-38510/59 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |