4. Photocopying
  5. Projection printing and copying cameras
  6. Photographing on both sides of photo-sensitive paper

William J. Pappas

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Apparatus and method for exposing substrates

Photocopying – Projection printing and copying cameras – Photographing on both sides of photo-sensitive paper
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Method for removing excess uncured build material in solid...

Plastic and nonmetallic article shaping or treating: processes – Stereolithographic shaping from liquid precursor
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Solid imaging apparatus and method

Plastic article or earthenware shaping or treating: apparatus – Means applying electrical or wave energy directly to work – Radiated energy
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Profile ID: LFUS-PAI-P-2618858

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