4. Fire escape, ladder, or scaffold
  5. Platform with elevating or lowering means

Yoshihiro Yonahara

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Elevatable work facility

Fire escape – ladder – or scaffold – Platform with elevating or lowering means
Patent

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Folding scaffold for a construction work

Fire escape – ladder – or scaffold – Unitary foldable – rigid scaffold or ladder
Patent

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Foothold device

Fire escape – ladder – or scaffold – Wall- or floor-attached
Patent

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Frame parts for temporary ladder

Fire escape – ladder – or scaffold – Wall- or floor-attached – Wall-mounted platform – with ladder
Patent

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Profile ID: LFUS-PAI-P-1261707

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