4. Movable or removable closures
  5. Movable closure and its support transferable as unit

Rick Smith

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Electron beam superimposition method and apparatus

X-ray or gamma ray systems or devices – Source – Electron tube
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Reversible door frame threshold

Movable or removable closures – Movable closure and its support transferable as unit
Patent

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Profile ID: LFUS-PAI-P-911306

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