-
505.
Industrial minerals
Subjects
Nonmetallic minerals
-
506.
Industrial research
Subjects
IndustryResearch
-
507.
Industrial safety
Subjects
Prevention of accidents
-
508.
Industry
Subjects
Economics
-
509.
Industry 4.0
Subjects
Industrial engineeringIndustrial revolution
-
510.
Inertial navigation
Subjects
Navigation
-
511.
Infalible (Trademark)
Subjects
Trademarks
-
512.
Information display systems
Subjects
Optoelectronic devicesComputer input-output equipmentOptical data processing
-
513.
Information visualization
Subjects
Visualization
-
514.
Inhomogeneous materials
Subjects
MatterMaterials
-
515.
Injectors
Subjects
Steam-boilersPumping machinery
-
516.
Inland navigation
Subjects
Communications
-
517.
Innovation management
Subjects
AdministrationTechnological innovations
-
518.
Integrated circuits
Subjects
Electronic circuitsMicroelectronics
-
519.
Integrated circuits design
Subjects
Integrated circuits
-
520.
Integrated circuits--Large scale integration
Subjects
Integrated circuits
-
521.
Intelligent transportation systems
Subjects
Mobile communication systems
-
522.
Interface circuits
Subjects
Electronic circuitsLogic circuits
-
523.
Internal combustion engines
Subjects
Heat-engines
-
524.
Internet auctions
Subjects
Electronic commerceAuctions
-
525.
Internet bookstores
Subjects
Electronic commerceBookstores
-
526.
Internet industry
Subjects
Computer industry
-
527.
Internet telephony
Subjects
InternetTelephone
-
528.
Interoceanic canals
Subjects
Canals
Last updated dated: 08/11/2025