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PL281764A1
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Recording head control system in particular for mult track magnetic tape cassette memories
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PL281503A1
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System for positioning the magnetic head in cassette tape memories
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PL281414A1
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System for rotation stailizing of a reversive d.c. motor
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PL281310A1
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Device for head positioning in cassette memories
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PL280414A1
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Adapter system for an isolated terminal
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PL276774A1
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Follower generator of circuit for reading pe coded information in particular from a tape memory
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PL275395A1
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Ferrite magnetic head for reverse recording of digital and analog signals
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PL275078A1
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Multitrack double-gap magnetic head
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PL271919A1
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Device for collaboration with printers in particular for mera 9150 system
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PL270237A1
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Magnetic head
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PL270035A1
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Circuit arrangement of tape memory controller
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PL258137A1
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Recroded information generator
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PL258138A1
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Method of operating and tuning magnetic tape cassette memories
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PL256199A1
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Apparatus for automatically closing and opening a hole in a housing
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PL252454A1
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Magnetic head bridge assembly
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PL250418A1
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Magnetic tape guiding arrangement
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PL249557A1
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Method of and apparatus for making abrasive bodies and abrasive bodies made using such method and apparatus
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PL246700A1
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Apparatus for very precisely lapping hard workpieces
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PL255913A1
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Apparatus for very precise lapping hard workpieces
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PL246699A1
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Apparatus for very accurate lapping of hard workpieces
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