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Electric Relays: Constructional Details and Notes on The Use of Magnetic, Mercury, Thermionic, and Photo-Electric Relays

By: Contributor(s): Material type: TextTextLanguage: English Publication details: UK George Newnes Limited 1942Description: 184 19Patent information: 1941Subject(s): DDC classification:
  • 621.3174
LOC classification:
  • TK2861 .R65
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