Gutenberg Seng-keng s? Johannes Gutenberg t? 1450 ni-t?i so? in-che e chi?t p?? Seng-keng , s? cha-ki e oa?h-j? in-soat chhut-pan-phin, hi?n-si t? thong se-kai chhun 21 tho iau koh chiau-p?.

Pun bun-chiuⁿ s? chi?t phiⁿ phi-a-kiaⁿ . Li thang tau khok-chhiong lai pang-ch?? Wikipedia. hian l?n pian