Items where Subject is "621.381 51 Electronic tubes"

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Dewey Decimal Classification (DDC) (1)
- 600 Technology (Applied sciences) (1)
  - 621 Applied physics (1)
    - 621.3 Electrical, magnetic, optical, communications, computer engineering; electronics, lighting (1)
      - 621.38 Electronics, communications engineering (1)
        621.381 Electronics (1)
        621.381 5 Components and circuits (1)
        621.381 51 Electronic tubes (1)
        621.381 512 Vacuum tubes (1)

Number of items at this level: 0.

This list was generated on Sat Jul 27 07:51:04 2024 WIB.