Number | Date | Country | Kind |
---|---|---|---|
015942/77 | Dec 1977 | CHX |
Number | Name | Date | Kind |
---|---|---|---|
2555106 | Beazley | May 1951 | |
2941136 | Marantette et al. | Jun 1960 | |
3495519 | Alfsen et al. | Feb 1970 | |
3659939 | Hobrough | May 1972 | |
3675331 | Ernst et al. | Jul 1972 | |
3687547 | Hobrough et al. | Aug 1972 | |
3777055 | Hobrough | Dec 1973 | |
3918167 | Gerber | Nov 1975 | |
4057336 | Malinge | Nov 1977 |
Number | Date | Country |
---|---|---|
1934500 | Jan 1970 | DEX |
2624372 | Dec 1976 | DEX |
Entry |
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Whistler: R.C.A. Technical Notes, No. 339, Nov. 1959, 2 sheets. |
Technical Bulletin entitled, Analytical Stereoplotter by Marta Optical Division. |