4. Fire escape, ladder, or scaffold
  5. Means maintaining platform level on angularly movable support
  6. Swingable support

Bernhard Meinken

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Adjustable personnel platform

Fire escape – ladder – or scaffold – Means maintaining platform level on angularly movable support – Swingable support
Patent

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Apparatus for the distribution of concrete

Fluid handling – With casing – support – protector or static constructional...
Patent

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Rotary tower crane for construction purposes with a distributor

Traversing hoists – Overhead – Cable
Patent

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Profile ID: LFUS-PAI-P-640382

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