inventors and their inventions
An inventor is a person who creates or discovers a new method, form, device or other useful means. The word inventor comes form the latin verb invenire, invent-, to find.[1][2]The system of patents was established to encourage inventors by granting limited-term อ่านเพิ่มเติม
ไม่มีความคิดเห็น:
แสดงความคิดเห็น