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| 100 | 1 | _aMakarov, Mikhail | |
| 245 | 0 | 0 | _aThe eight edition of the IPC |
| 650 |
_aInternationale Patentklassifikation _92098 |
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| 773 | 0 |
_aWPI. 28(2006),2,122-126. _wz_WPI |
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_c5360 _d5360 |
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