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| All Patents in class 72/192 | |||||
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| Number | Title | Classification(s) | |||
| 54,605 | Spike Machine | 72/192 | |||
| 224,720 | Machine for Rolling Chisels | 72/188, 72/192, 72/197 | |||
| 293,292 | Drill Making Machine | 72/192 | |||
| 303,350 | Riveting Machine | 72/187, 72/192 | |||