4. E - Fixed Constructions
  5. 05
  6. F

Inc. Cornell Iron Works

E - Fixed Constructions – 05 – F

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Country: United States Of America

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A rolling fire door including a door hold-open/release system

E - Fixed Constructions – 06 – B
Patent

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Fire door release mechanism

E - Fixed Constructions – 05 – F
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Hold and release mechanism for a fire door spring tension...

E - Fixed Constructions – 05 – F
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Method and apparatus for regulating the closing speed of a...

E - Fixed Constructions – 05 – F
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Profile ID: LFCA-PAI-P-1387568

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