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| Hauptfilm-negativ m (The first generation microform copy of a document from which subsequent copies can be made); Masterfiche m (The first generation microform copy of a document from which subsequent copies can be made); Masterfilm m (The first generation microform copy of a document from which subsequent copies can be made) | |||
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master negative film : 1 phrase in 1 subject |
| Communications | 1 |