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| Patents for C. E. Johansson, AB | |||||
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| Number | Date | Patentee | Title | Type | |
| SE-17,017 | Jan. 30, 1904 | C.E. Johansson | Gauge Block Sets for Precision Measurement | measuring tools | |
| 1,334,955 | Mar. 30, 1920 | F.G. Sjökvist, C.E. Johansson | Indicating Device for Measuring Apparatus and Measuring Tools | indicating calipers | |