4. Flexible or portable closure, partition, or panel
  5. Automatic control
  6. Nonfusible thermal initiator

James E. Dever

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Rolling fire door including a door hold-open/release system

Flexible or portable closure – partition – or panel – Automatic control – Nonfusible thermal initiator
Patent

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Side folding closure

Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – With mounting or supporting means
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Profile ID: LFUS-PAI-P-898219

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