関連ワード:
who was the first person to invent the mobile phone who was the first person to invent the cell phone who was the first person to create the cell phone who was the first black person to invent the cell phone who was the first person to make mobile phone who was the first person to discover mobile phone who was the first person to create a mobile phone who was the first person to make a mobile phone call who was the first person to make a smart phone who was the first person to invent a phone
