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| 3125310 | 0PN68 | AMPEX DATA SYSTEMS CORPORATION |
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| 3125310-01 | 0PN68 | AMPEX DATA SYSTEMS CORPORATION |
| 564-008 | 09150 | AMPEX DATA SYSTEMS CORP COMPUTER PRODUCTS DIV |
| 564-008 | 92739 | AMPEX SYSTEMS CORP |
| CD6021 | 83555 | SERVO-TEK PRODUCTS COMPANY INC. DBA SERVO-TEK PRODUCTS |
| M0DEL1025-7-011 | 73138 | BI TECHNOLOGIES CORPORATION |
| SA7197A2 | 83555 | SERVO-TEK PRODUCTS COMPANY INC. DBA SERVO-TEK PRODUCTS |