4. Geometrical instruments

Herbert Freitag

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Chair with pneumatically adjustable seat height and back support

Supports – Stand – Standard type
Patent

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Column of adjustable height

Brakes – Internal-resistance motion retarder – With means for locking parts together temporarily
Patent

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Construction assembly

Spring devices – Fluid – Expansible-contractible chamber device
Patent

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Container piston rod unit

Brakes – Internal-resistance motion retarder – Including seal or guide
Patent

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Continuously adjustable length adjustment device

Brakes – Internal-resistance motion retarder – With means for locking parts together temporarily
Patent

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Profile ID: LFUS-PAI-P-419842

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