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All Patents in class 72/83 | |||||
Number | Date | Patentee | Title | Type | |
3,187,534 | Jun. 08, 1965 | S. Kalpakcioglu | Spinning Machine Tool Ring | metal spinning machines | |
3,205,688 | Sep. 14, 1965 | R.A. Paulton | Metal Spinning Method | metal spinning machines |