4. Traversing hoists
  5. Having horizontally swinging boom or bridge
  6. And means to swing boom horizontally

Naoyuki Murai

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Revolving block for high place working vehicle

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

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Revolving block for high place working vehicle

Traversing hoists – Having horizontally swinging boom or bridge – And means to swing boom horizontally
Patent

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Profile ID: LFUS-PAI-P-1143636

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