Title: Přehled právních předpisů z oblasti objevů, vynálezů, zlepšovacích návrhů a průmyslových vzorů
Subtitle: pro potřebu organizací oborů dopravy a silničního hospodářství řízených národními výbory v ČSR a Ministerstvem vnitra ČSR
Subjects: Law and legislation, Patent laws and legislation, Technological innovations, Trademarks, Inventions
Places: Czechoslovakia