Number | Name | Date | Kind |
---|---|---|---|
4566938 | Jenkins, et al. | Jan 1986 | |
4794680 | Meyerhoff et al. | Jan 1989 | |
4806727 | Ruckl | Feb 1989 |
Number | Date | Country |
---|---|---|
2415513 | Sep 1979 | FRX |
Entry |
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"Laser-Strahlfuhrungs-systeme Gelenkarme Multiax", Carl Zeiss, West Germany, four pages of German article. |