Number | Date | Country | Kind |
---|---|---|---|
53-151063 | Dec 1978 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1691832 | Sweet | Nov 1928 | |
3784861 | Notelteirs et al. | Jan 1974 |
Number | Date | Country |
---|---|---|
933577 | Sep 1973 | CAX |
952939 | Mar 1964 | GBX |
Entry |
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"Modern Tungsten Halogen Lamp Technology", by J. R. Coaton, Proc. IEE, vol. 117, No. 10, Oct. 1970, pp. 1953-1959, p. 1957 and FIG. 8. |