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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
.