Ключевые слова: black, black cow, business, certification, character, cinnabar ink, company seal, contract, document icon, end user license agreement, hand, hanko, important, imprint, ink, japan, law, letter, mark, mat, meeting, official seal, paper, press, receipt, seal, seal mat, seal registration certificate, sign, table, tabletop, text, thumbprint mats, tool, trading, vermilion, work, writing,