Items where Subject is "621.384 5 Radiotelephony"

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Dewey Decimal Classification (DDC) (4)
- 600 Technology (Applied sciences) (4)
  - 621 Applied physics (4)
    - 621.3 Electrical, magnetic, optical, communications, computer engineering; electronics, lighting (4)
      - 621.38 Electronics, communications engineering (4)
        621.384 Radio and radar (4)
        621.384 5 Radiotelephony (4)
        621.384 56 Cellular telephone systems (4)

Number of items at this level: 0.

This list was generated on Tue Mar 11 00:10:11 2025 WIB.