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magnetogrammtrager to not go unnoticed veranderbaren record magnetic signals and method for the production of such records
magnetogrammtrager to not go unnoticed veranderbaren record magnetic signals and method for the production of such records
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机译：磁记录仪不会被忽视而引起veranderbaren记录磁信号及其产生方法
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摘要
The invention relates to a method of recording magnetic signals on magnetic recording media containing an exchange-anisoptropic material at a temperature lower than, equal to or higher than the Neel temperature of this magnetic material. After the recording has been made, the magnetic recording medium is heated to a temperature equal to, or higher than, the Neel temperature, then cooled down to a temperature below the Neel temperature and the recording temperature, following which it is provided with an indicator which betrays re-heating.
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