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Class Information
Number: 976/DIG.420
Name: Nuclear technology > Arrangements for direct conversion of radiation energy from radioactive sources to forms of energy other than electric energy (e.g., light) [g21h-3/00] > In which material is excited to luminesce by the radiation [g21h-3/02]

Patents under this class:

Patent Number Title Of Patent Date Issued
4935632 Luminescent concentrator light source Jun. 19, 1990
4788437 Tritium light Nov. 29, 1988
4103172 Nuclear light source Jul. 25, 1978

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