PT 15 Annuity lao
专利申请与维护
ໃບຄຳຮ້ອງ ຂໍຮັກສາອາຍຸການສິດທິບັດ
Handling agency: Department of Intellectual Property
Source: DIP官方表格下载页 (https://dip.gov.la/wp-content/uploads/2024/01/PT-15.-Annuity_lao.docx)
专利申请与维护
ໃບຄຳຮ້ອງ ຂໍຮັກສາອາຍຸການສິດທິບັດ
Handling agency: Department of Intellectual Property
Source: DIP官方表格下载页 (https://dip.gov.la/wp-content/uploads/2024/01/PT-15.-Annuity_lao.docx)