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

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 Sat Feb 27 17:04:27 2021 WIB.