Ojoro-FastENER-afọju RIVET

Iriri iṣelọpọ Ọdun 10
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Awọn akọọlẹ itan ti awọn rivets ṣofo

Awọn rivets ṣofo jẹ apẹrẹ pupọ julọ fun iṣelọpọ tabi atunṣe ohun elo ijanu.Ko ṣe kedere nigba ti a ṣẹda awọn rivets ṣofo.Ṣugbọn ijanu ti a se ninu awọn 9th tabi 10th orundun AD riveted ijanu liberated ẹrú lati eru laala bi àlàfo horseshoes.

rivets


Akoko ifiweranṣẹ: Oṣu Kẹsan-22-2021