Details
- Title'Improvements relating to the electrode and current leading-in structures of electric lamps and kindred devices' by H W Cumming, Patent Application No. 32380/49
- ReferenceUK0108 SC MSS 135/C/13
- Date1949
- Physical descriptionNumber of pieces: 1
- LanguageEnglish.
- Persons keyword
- Conditions governing accessOpen access
- Level of descriptionfile
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