Number | Date | Country | Kind |
---|---|---|---|
197 51 019 | Nov 1997 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4060903 | Ernst | Dec 1977 | |
4259904 | Metje | Apr 1981 | |
4530157 | Nelle | Jul 1985 | |
4776098 | Nelle | Oct 1988 | |
4912856 | Ernst | Apr 1990 | |
5152066 | Rieder et al. | Oct 1992 | |
5758427 | Feichtinger et al. | Jun 1998 | |
5771594 | Feichtinger | Jun 1998 |
Number | Date | Country |
---|---|---|
0105119 | Aug 1983 | EPX |
0169189 | Jul 1985 | EPX |
272698 | May 1988 | DDX |
2712421 | Sep 1978 | DEX |
7907900 | Mar 1979 | DEX |
3715908 | Dec 1988 | DEX |
Entry |
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Alfons Ernst, "Digitale Langen-und Winkel Mestechnik" (Digital Linear and Angular Measurement Technology), Technical Library, vol. 34, pp. 60-61 (1989). (German). |