-
457.
Real estate development
Subjects
Real estate businessLand use
-
458.
Record album covers
Subjects
Packing for shipment
-
459.
Refloating of ships
Subjects
Shipwrecks
-
460.
Refuse collection
Subjects
Refuse and refuse disposal
-
461.
Regional accounting
Subjects
National income accounting
-
462.
Reinforced concrete
Subjects
Concrete
-
463.
Reinforced concrete constructions
Subjects
Reinforced concrete
-
464.
Reinforced plastics
Subjects
Polyesters
-
465.
Renovació d'equipament
Subjects
Industrial procurement
-
466.
Reprints (Publications)
Subjects
Editing
-
467.
Reserves (Accounting)
Subjects
Accounting
-
468.
Retail stores
Subjects
Retail tradeCommercial buildings
-
469.
Rings
Subjects
Jewerly
-
470.
Robotics in medicine
Subjects
Robotics
-
471.
Robots
Subjects
Robotics
-
472.
Roofs
Subjects
Structural framesGirdersBuildingBuilding, Iron and steelTrussesCarpentry
-
473.
Rope
Subjects
Textile fibers
-
474.
Ropework
Subjects
Handicraft
-
475.
Rubber industry and trade
Subjects
-
476.
Sailors
Subjects
Naval art and science
-
477.
Sales management
Subjects
Industrial managementSelling
-
478.
Sales personnel
Subjects
Commercial agentsRetail tradeAdvertising
-
479.
Sawmills
Subjects
Mills
-
480.
Scaffolding
Subjects
Temporary buildings