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Device for erasing recordings on magnetic sound carriers with a plurality of sound tracks lying directly next to one another.
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CN107039052B
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A kind of abundant Deperming Facility of electronic information equipment
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Composite magnetic head with one read / write head and two erase heads
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CN106782620B
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A kind of abundant Deperming Facility of electronic information equipment
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CA960355A
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Magnetic recording head with selective erasing
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CN103714294B
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A kind of data overwrite method
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Electromagnetic eraser
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The method for crushing electronic data
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US8749912B2
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Method and apparatus for bipolar servo marks writing with self DC-erase
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CN106935249B
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A kind of hard disc of computer degaussing gear
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Magnetic head
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Magnetic sound device with a sound head used for recording, playback and erasing for a tape or wire-shaped sound carrier.
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CN105513615A
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Hard disk demagnetizing module, demagnetizing and smashing integrated machine and hard disk demagnetizing method
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CH252162A
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Talk head on magnetic recorders.
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AT315526B
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Magnetic head
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DE1016956B
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Erase head for magnetic recorder
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DE1033438B
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High frequency generator circuit for magnetic recorders
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CH298195A
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Method for erasing magnetizable sound carriers.
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CH378558A
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Erase head for tape recorders
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CA930856A
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Magnetic head
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DE1035373B
(en)
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Circuit arrangement for deleting magnetic sound recordings by means of high frequency
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DE1057348B
(en)
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Erase head with two erase gaps and three-legged ferrite core, especially for magnetic recorders
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DE1071366B
(en)
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Circuit arrangement for devices for magnetic recording and / or scanning
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DE1016955B
(en)
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Erase head with two columns for magnetic sound recordings
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DE1073217B
(en)
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Magnetic recorder with push-pull switched HF oscillator
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