paten 77Patents Act 1977, Section 77 is up to date with all changes known to be in force on or before 30 September 2025. U.50 Slotpaten77 menyediakan permainan Slotpaten 77 : Temukan program pendidikan praktis di ISFT 185, Buenos Aires. Pelajari keterampilan teknik di bidang Mecatrónica, Komunikasi Multimedial