-
361.
Optical instruments
Subjects
Physical instruments
-
362.
Optical materials
Subjects
Materials
-
363.
Oriental rugs
Subjects
Carpets
-
364.
Orthopedic shoes
Subjects
Orthopedic apparatusFootwear
-
365.
Outdoor advertising
Subjects
Advertising
-
366.
Packaging
Subjects
-
367.
Packing for shipment
Subjects
Commercialization
-
368.
Paper
Subjects
FibersWriting materials
-
369.
Paper industry
Subjects
Manufacturing industries
-
370.
Paper recycling
Subjects
PaperWaste products
-
371.
Paper toys
Subjects
ToysPaper work
-
372.
Paperboard
Subjects
Paper
-
373.
Papermaking
Subjects
-
374.
Passenger transportation
Subjects
Transportation
-
375.
Peddlers
Subjects
Manufacturers' agentsSales personnel
-
376.
Peddling
Subjects
Selling
-
377.
Peer review
Subjects
Rating of employees
-
378.
Pennants
Subjects
-
379.
Pennants
Genre/Form
-
380.
Personal beauty
Subjects
Femenine beauty (Aesthetics)Hygiene
-
381.
Personnel management
Subjects
-
382.
PERT (Network analysis)
Subjects
Network analysis (Planning)
-
383.
Pharmaceutical industry
Subjects
Chemical industry
-
384.
Philately
Subjects
Collectors and collecting