Number | Date | Country | Kind |
---|---|---|---|
4041579 | Dec 1990 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4325412 | Hayner | Apr 1982 | |
4581624 | O'Connor | Apr 1986 | |
5054522 | Kowanz et al. | Oct 1991 |
Entry |
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"MICROMECHANIK", by Anton Heuberger, pp. 236-265, and attached translations of figure legends. |