Items where Subject is "600 Technology (Applied sciences) > 644 Household utilities"

Dewey Decimal Classification (DDC) (3)
- 600 Technology (Applied sciences) (3)
  - 644 Household utilities (3)
    - 644.1 Heating (1)
    - 644.5 Ventilation and air conditioning (2)

Number of items at this level: 0.

This list was generated on Mon Oct 25 01:40:18 2021 WIB.