復古風格的濃縮咖啡機專利圖，紙張泛黃，線條為墨水，帶有棕褐色調

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Create a vintage patent-style technical illustration of a complex mechanical device on aged cream parchment paper. Black ink linework with sepia accents, hand-lettered labels, cross-section views, numbered component callouts, official patent border frame with fake patent number and date. Style of 1890s mechanical engineering drawings. Elegant, authoritative, museum-worthy.