Items where Subject is "665 Technology of industrial oils, fats, waxes, gases"
- Dewey Decimal Classification (DDC) (17)
- 600 Technology (Applied sciences) (17)
- 665 Technology of industrial oils, fats, waxes, gases (17)
- 665.5 Petroleum (4)
- 665 Technology of industrial oils, fats, waxes, gases (17)
- 600 Technology (Applied sciences) (17)
Number of items at this level: 0.