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Fan

Ventilation – Having protecting air current
Patent

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Fluid suction nozzle and fluid-treating apparatus

Ventilation – Having protecting air current – Surrounding protected area
Patent

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Focussed ventilation procedure for a work spot and apparatus use

Ventilation – Having protecting air current – Including suction outlet
Patent

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Installation of air curtains

Ventilation – Having protecting air current
Patent

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Method and apparatus for lifting gas streams to a great elevatio

Ventilation – Having protecting air current – Surrounding protected area
Patent

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Method and apparatus for performing confinement by thermal...

Ventilation – Having protecting air current – Including plural – layered currents
Reexamination Certificate

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Method and device for protecting a work surface

Ventilation – Having protecting air current
Patent

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Open patient care unit

Ventilation – Having protecting air current
Reexamination Certificate

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Portable doorway bug deflector

Ventilation – Having protecting air current
Reexamination Certificate

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Process and apparatus for the dynamic separation of two zones

Ventilation – Having protecting air current – Including plural – layered currents
Patent

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Sliding door

Ventilation – Having protecting air current
Reexamination Certificate

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Sliding door device

Ventilation – Having protecting air current
Reexamination Certificate

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Slot outlet arrangement for air screen installations

Ventilation – Having protecting air current
Reexamination Certificate

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Storage body with air cleaning function

Ventilation – Having protecting air current – Cabinet enclosure
Reexamination Certificate

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Vortex air barrier

Ventilation – Having protecting air current – Surrounding protected area
Reexamination Certificate

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Zone-forming apparatus

Ventilation – Having protecting air current – Surrounding protected area
Patent

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