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1 янв 1960 г. - 1960 Voice recording as evidence

Описание:

A sound spectrograph discovered to be able to record voices, and is used in a criminal investigation

Добавлено на ленту времени:

Forensics Time line project part one

28 ноя 2018

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Дата:

1 янв 1960 г.

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~ 65 г назад

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