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Title
File Bag 27 - Patent related material
Reference
UK0108 NAEST 015/27
Date
1929-1954
Scope and Content
Patent information details, with index to patent information sheets, plans, photographs and diagrams to accompany patents, correspondence.
Physical description
Number of pieces: 4
Language
English
Subject
Patents, Phase modulation, Frequency modulation
Conditions governing access
Open
Level of description
file

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110000001
NATIONAL ARCHIVE FOR ELECTRICAL SCIENCE AND TECHNOLOGY
contains 322 parts
- UK0108 NAEST 015
  Papers of B. B. Jacobsen
  contains 97 parts
  - UK0108 NAEST 015/27
    File Bag 27 - Patent related material
    contains 4 parts

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