4. Movable or removable closures
  5. Thermal releaser or actuator

Hisatugu Anzai

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Apparatus for closing fireproof doors

Movable or removable closures – Thermal releaser or actuator
Patent

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Apparatus for closing fireproof doors

Movable or removable closures – Thermal releaser or actuator – Nonfusible
Patent

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Fireproof door closer and holder having a solenoid and a toggle

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Thermally released check or closer
Patent

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Profile ID: LFUS-PAI-P-682240

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