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| Class 347 incremental printing of symbolic information - continued |
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| uspc | description |
| 347/252 | 347 incremental printing of symbolic information/(224) light or beam marking apparatus or processes (225) scan of light (251) tone marking (252) by adjusting pulse width of light beam |
| 347/253 | 347 incremental printing of symbolic information/(224) light or beam marking apparatus or processes (225) scan of light (251) tone marking (253) by varying intensity of light beam |
| 347/254 | 347 incremental printing of symbolic information/(224) light or beam marking apparatus or processes (225) scan of light (251) tone marking (254) by varying dotting density |
| 347/255 | 347 incremental printing of symbolic information/(224) light or beam marking apparatus or processes (225) scan of light (255) specific light modulator |
| 347/256 | 347 incremental printing of symbolic information/(224) light or beam marking apparatus or processes (225) scan of light (256) specific optical structure |
| 347/257 | 347 incremental printing of symbolic information/(224) light or beam marking apparatus or processes (225) scan of light (256) specific optical structure (257) having mounting or supporting means |
| 347/258 | 347 incremental printing of symbolic information/(224) light or beam marking apparatus or processes (225) scan of light (256) specific optical structure (258) having lens |
| 347/259 | 347 incremental printing of symbolic information/(224) light or beam marking apparatus or processes (225) scan of light (256) specific optical structure (258) having lens (259) including deflector |
| 347/260 | 347 incremental printing of symbolic information/(224) light or beam marking apparatus or processes (225) scan of light (256) specific optical structure (260) having deflector |
| 347/261 | 347 incremental printing of symbolic information/(224) light or beam marking apparatus or processes (225) scan of light (256) specific optical structure (260) having deflector (261) polygon |
| 347/262 | 347 incremental printing of symbolic information/(224) light or beam marking apparatus or processes (225) scan of light (262) with record receiver or handling means therefor |
| 347/263 | 347 incremental printing of symbolic information/(224) light or beam marking apparatus or processes (225) scan of light (263) housing or mounting |
| 347/264 | 347 incremental printing of symbolic information/(224) light or beam marking apparatus or processes (264) with record receiver or handling means therefor |
| 347/110 | 347 incremental printing of symbolic information/(110) marking devices |
| 347/900 | 347 incremental printing of symbolic information/(900) data processing for electrostatic recording |