Gazette - 2009. 02.
Issue 2/II. volume 114.
2. March 2009.
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- Communication No. 2/2009. (I. 23.) MSZH of the President of the Hungarian Patent Office on the non-prejudicial disclosure and exhibition priority of inventions, trademarks, designs and utility models to be displayed at certain exhibitions in 2009
- Codes and principles of arrangement applied in the columns of official publications