Title: Phrarātchabanyat Čhattang Sān Sapsin thāng Panyā læ Kānkhā Rawāng Prathēt, læ Withī Phičhāranā Khadī Sapsin thāng Panyā læ Kānkhā Rawāng Prathēt, Phō̜. Sō̜. 2539
Subjects: Patent laws and legislation, Courts
Places: Thailand