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This standard provides the information necessary to allow physical interchange of a self-loading cartridge to be used with 1/2-inch-wide magnetic tape, as described in American National Standard for Unrecorded Magnetic Tape for Information Interchange (9-Track 200 and 800 CPI, NRZI, 1600 CPI, PE), ANSI x3.40-1976, and modified herein, when contained in a self-loading cartridge.

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