Objevy, vynálezy, zlepšovací návrhy a průmyslové vzory
By: zpracoval kolektiv autorů pod vedením Antonína Ringla a Stanislava Kráčmara.
Contributors: Ringl, A.; Kráčmar, Stanislav.
Publisher: SNTL, Nakl. technické literatury
Published: 1980
Place of publication: Praha
Language: cze
Number of pages: 391
Subjects: Inventions -- Czechoslovakia.; Technological innovations -- Law and legislation -- Czechoslovakia.; Trademarks -- Law and legislation -- Czechoslovakia.
Notes: Includes bibliographical references.