Prawo pracy wynalazczej
by Walerian Sanetra, Karol Fiedor, Janusz Trzciński, Poland) Zimowa Szkoła Prawa Pracy (15th 1988 Karpacz
Inventions, Employees'CongressesLabor laws and legislationTechnological innovationsLaw and legislation
Writing a summary for young readers…
For young readers
Book data: Open Library