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| Patents Granted on 1982-05-11 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,328,722 | May 11, 1982 | H. Gähr, G. Wohlhaupter | Apparatus for facing and internal turning | boring heads | |
| 4,329,112 | May 11, 1982 | C.G. Glover | Transfer Apparatus for Pattern-Changing Mechanism | sorting apparatus | |