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Table 1 IPC schemes of the persistent technologies in community containing B60R

From: Community evolution in patent networks: technological change and network dynamics

Section Class Scheme
B B60 VEHICLES IN GENERAL
  B61 RAILWAYS
  B62 LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  B63 SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
  B64 AIRCRAFT; AVIATION; COSMONAUTICS
  B65 CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  B66 HOISTING; LIFTING; HAULING
  B67 OPENING OR CLOSING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
E E01 CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  E02 HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
  E03 WATER SUPPLY; SEWERAGE
  E04 BUILDING
  E05 LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  E06 DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS, IN GENERAL; LADDERS
  E21 EARTH OR ROCK DRILLING; MINING
  E99 SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION
F F01 MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
  F02 COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  F03 MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING
   MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
  F04 POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  F15 FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
  F16 ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING
   EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  F17 STORING OR DISTRIBUTING GASES OR LIQUIDS