The use and usefullnaess of trademarks in developing countries :

The use and usefullnaess of trademarks in developing countries : Collection of lectures grain at the Asian and Pacific Symposium … <1982, Colombo> ; with the cooperation of the Governmant of Sri Lanka … WIPO Trademark Symposium : Colombo 1982 - 205 S.

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Kongress
Markenwesen
Colombo 1982
Entwicklungsländer