携帯電話の元祖 投稿者：米国 投稿日：2021/06/28(Mon) 10:47 No.11027 https://news.livedoor.com/article/detail/20438095/ Re: 携帯電話の元祖 - 米国 2021/06/28(Mon) 21:36 No.11029 https://www.smithsonianmag.com/innovation/first-mobile-phone-call-was-made-75-years-ago-180978003/