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| All Patents in class 483/42 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 3,953,918 | May 04, 1976 | O.R. Johansson, K.F. Bone | Machine Tool With Automatic Tool Changer | ||
| 3,964,616 | Jun. 22, 1976 | T.W. Piotrowski | Machine Tool Interchange Arm | ||
| 3,990,585 | Nov. 09, 1976 | O.R. Johansson | Article Exchange Mechanism | ||
| 4,575,918 | Mar. 18, 1986 | C.E. Mattson | Tool Change Mechanism | ||