4. Brushing, scrubbing, and general cleaning
  5. Machines
  6. With air blast or suction

Jack L. Marion

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Apparatus for cleaning back surface of magnetic tape

Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent

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Data tape speed tachometer using a porous roller bearing

Winding – tensioning – or guiding – Material guide or guard – With particular guide surface formation or treatment
Reexamination Certificate

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Porous roller bearing

Advancing material of indeterminate length – By orbitally traveling material-engaging surface – Including details of roll or mount
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1877723

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