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UDC Consortium, PO Box 90407, 2509 LK
The Hague, The Netherlands |
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| 771 | Photographic equipment, apparatus and material |
| 772 | Photographic systems or processes using inorganic substances or physical phenomena |
| 773 | Photographic systems or processes using organic compounds |
| 774 | Photomechanical processes generally |
| 776 | Photolithography. Photographic productions of planographic plates |
| 777 | Intaglio and relief processes |
| 778 | Special applications and techniques of photography |
| 778.5 | Cinematography. Motion-picture photography |
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