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| Patents for B21K 25 - Uniting components to form integral members, e.g. turbine wheels and shafts, caulks with inserts, with or without shaping of the components (1,206) |
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| 07/19/1977 | US4035901 Apparatus for joining two abutting metal members together and method of making such apparatus | | 04/26/1977 | US4019244 Spiral wound gasket assembly method | | 03/29/1977 | US4014202 Crimping apparatus | | 12/28/1976 | US3999659 Pierce nuts in strip form | | 09/07/1976 | US3978758 Bolt and process of forming same | | 06/15/1976 | US3962772 Shaft-supported composite high-strength machine element and method of making the same |
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