Tŭrgovski marki i naimenovanii͡a za proizkhod
By: Pavel T. Karai͡anev.
Edition: 1. izd.
Series: Biblioteka na izobretateli͡a i rat͡sionalizatora
Publisher: Dŭrzh. izd-vo "Tekhnika"
Published: 1989
Place of publication: Sofii͡a
Language: bul
Number of pages: 124
Subjects: Trademarks -- Bulgaria.
Notes: Includes bibliographical references (p. 123-[125]).