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| Patents for Antoine Jean Langelier | |||||
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| Number | Title | Classification(s) | |||
| 317,149 | Heel-machine | 12/50.1, 12/50.3, 74/615 | |||
| GB-189,101,461 | Improvements in rotary swaging machines | ||||
| GB-189,406,474 | Improvements in rotary swaging machines | ||||
| 542,020 | Swaging-machine | 72/76 | |||
| GB-189,512,765 | Improvements in swaging machines | ||||
| GB-189,512,766 | Improvements in swaging machines | ||||
| GB-190,000,835 | Improvements in machines for the manufacture of blanks for sewing machine needles or similar articles | ||||