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국립과천과학관
Anyone who knows this is at least 7n years old!!🤣 | let's go Ssadol!#YeojuCityPhoneMuseum #PhoneMuseum #MorseCode #GNSM #Ssadoli #ScienceTechnology #ElectronicCommunication #CommunicationMachine #OldCellphone #NationalScienceMuseum