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Title
Patent No. 497,645 Improvements in or relating to Electron Lenses
Reference
UK0108 NAEST 148/1/31
Date
1938-12-20
Physical description
Number of pieces: 1, Pages/folios: 4 + 2
Language
English.
Subject
Electro-optical effects
Conditions governing access
Open access
Level of description
file

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110000001
NATIONAL ARCHIVE FOR ELECTRICAL SCIENCE AND TECHNOLOGY
contains 322 parts
- UK0108 NAEST 148
  Papers of Dr Hans Gerhard Lubszynski
  contains 12 parts
  - UK0108 NAEST 148/01
    Published Patents I
    contains 80 parts
    
    UK0108 NAEST 148/1/31
    Patent No. 497,645 Improvements in or relating to Electron Lenses

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