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US5313341A Device for processing file data with erasing identification data 失效
用于通过擦除识别数据处理文件数据的设备

Device for processing file data with erasing identification data
摘要:
A data recording/reproducing device updates the identification data for identifying the recording data of recording track on the magnetic tape as the meaningless data. As a result, in a data recording reproducing device to be used for, such as an external memory device of the computer, the desired data can be erased easily.
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