30. [Třícaté] výročí RVHP a perspektivy rozvoje vynálezectví a zlepšovatelství v socialistické integraci
By: Miroslav Bělohlávek.
Publisher: Úřad pro vynálezy a objevy
Published: 1979
Place of publication: Praha
Language: cze
Number of pages: 30
Subjects: Council for Mutual Economic Assistance.
Notes: Cover title.