File:ChineseIronPlow1637.jpg

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原本檔案 ‎（1,630 × 2,294 像素，檔案大細：469 KB ，MIME類型：image/jpeg）

摘要

描述 Chinese Iron plow
日期
來源 Tien Kung Jai Wu, 1637
作者 Sung Ying Hsing, Reference: "Chinese technology in the 17th century"

協議

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現時2007年8月7號 (二) 07:16響2007年8月7號 (二) 07:16嘅縮圖版本1,630 × 2,294（469 KB）World Imaging{{Information |Description=Chinese Iron plow |Source=Tien Kung Jai Wu, 1637 |Date=1637 |Author=Sung Ying Hsing, Reference: "Chinese technology in the 17th century" }}

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