4. Gas and liquid contact apparatus
  5. Fluid distribution
  6. Valved

Gerhard Feld

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Arrangement for effecting the superfine perforation of film-like

Electric heating – Heating devices – Electric arc-type devices
Patent

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Process for making fine perforations in plastic sheeting and/or

Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
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Tubular ventilator

Gas and liquid contact apparatus – Fluid distribution – Valved
Patent

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Profile ID: LFUS-PAI-P-1229155

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