-
745.
Passenger ships
Subjects
Merchant ships
-
746.
Pavements
Subjects
-
747.
Peer-to-peer architecture (Computer networks)
Subjects
Computer network architectures
-
748.
Permanent magnets
Subjects
Magnets
-
749.
Personal transporters
Subjects
Vehicles
-
750.
Petroleum chemicals industry
Subjects
Petroleum industry and trade
-
751.
Petroleum engineering
Subjects
Mining engineering
-
752.
Petroleum industry and trade
Subjects
Energy industries
-
753.
Petroleum pipelines
Subjects
Pipe
-
754.
Petroleum prospecting
Subjects
Petroleum engineeringProspecting
-
755.
Petroleum refineries
Subjects
Petroleum refining
-
756.
Pharmaceutical technology
Subjects
-
757.
Phase-locked loops
Subjects
Electric oscillators
-
758.
Philosophy of technology
Subjects
-
759.
Phonograph
Subjects
-
760.
Phonograph records
Subjects
Sound recordings
-
761.
Photoelectric cells
Subjects
-
762.
Photographic equipment
Subjects
-
763.
Photographic industry
Subjects
-
764.
Photorefractive materials
Subjects
-
765.
Photovoltaic cells
Subjects
Photoelectric cells
-
766.
Photovoltaic effect
Subjects
Photoelectricity
-
767.
Photovoltaic power generation
Subjects
Direct energy conversionSolar energyPhotovoltaic effect
-
768.
Photovoltaic power systems
Subjects
Solar power plants
Last updated dated: 20/10/2024