Komise pro hnutí vynálezců a zlepšovatelů
By: Alois Táhan.
Contributors: ROH.
Edition: 1. vyd.
Series: Příruční knihovna ROH
Publisher: Práce
Published: 1978
Place of publication: Praha
Language: cze
Number of pages: 17
Subjects: Inventions -- Czechoslovakia.; Technological innovations -- Czechoslovakia.