4. Advancing material of indeterminate length
  5. With adherence or attraction of material to advancing means
  6. By pneumatic pressure

Fred D. Kelley

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Drilled unported vacuum drum with a porous sleeve

Advancing material of indeterminate length – With adherence or attraction of material to advancing means – By pneumatic pressure
Patent

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Photographic element comprising polyethylene terephthalate...

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Antihalation or filter layer containing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-671210

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