74.10.Z - Specialised design activities
47.61.Z - Retail sale of books in specialised stores
47.91.Z - Retail sale via mail order houses or via Internet
58.11.Z - Book publishing
58.19.Z - Other publishing activities
71.12.Z - Engineering activities and related technical consultancy
71.20.B - Other technical testing and analysis
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
85.59.B - Other out-of-school forms of education, not elsewhere classified
Opinie dotyczące usług, produktów oraz działalności firmy nie są weryfikowane