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| Patents for A. H. Crozier | |||||
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| Number | Title | Classification(s) | |||
| 20,864 | Machine for cutting barrel-heads | 147/38 | |||
| 21,117 | Machine for chamfering and crozing barrels | 147/13 | |||
| 23,356 | Chopping-block for stave-machine | 144/167 | |||