-
817.
Printed circuits
Subjects
Electronic apparatus and appliancesElectric circuitsElectronic circuitsMicroelectronics
-
818.
Process control
Subjects
Automatic controlQuality control
-
819.
Product life cycle
Subjects
Product managementMarketing
-
820.
Product management
Subjects
-
821.
Product safety
Subjects
-
822.
Production engineering
Subjects
Industrial engineeringMechanical engineering
-
823.
Professional associations
Subjects
Corporate state
-
824.
Programmable controllers
Subjects
Automatic control
-
825.
Programmable logic devices
Subjects
-
826.
Propellers
Subjects
Shipbuilding
-
827.
Prospecció hidrològica
Subjects
Prospecting
-
828.
Prospecting
Subjects
-
829.
Prospecting
Subjects
Mines and mineral resources
-
830.
Protein engineering
Subjects
Biochemical engineeringGenetic engineering
-
831.
Public lighting
Subjects
LightingOutdoor furniture
-
832.
Public works
Subjects
Domestic economic assistanceCivil engineeringGovernment spending policy
-
833.
Public works contracts
Subjects
Public contractsContracts for work and labor
-
834.
Pump (Bicycle)
Genre/Form
Equipment
-
835.
Pumping machinery
Subjects
Hydraulic machinery
-
836.
Purification of factory and trade waste
Subjects
-
837.
Purification of sewage
Subjects
Bacteriology
-
838.
Pyroelectricity
Subjects
CrystallographyElectricity
-
839.
Quarries
Subjects
Economic geology
-
840.
Query languages (Computer science)
Subjects
Programming languages (Electronic computers)
Last updated dated: 05/07/2025