發明專利

發明專利

瀏覽:386
日期:2025-10-16
用手機照一照 發明專利專刊 行動條碼 發明產品 ARTIFICIAL PLANT JENNIE MASIE WEYAHDT ARTIFICIAL PLANT JENNIE MASIE WEYAHDT Patent number: 1470516 Filing date: Aug 3, 1922 Issue date: Oct 9, 1923 Patented Oct. 9, 1923. 1,470,516 ......看更多