4. Hydraulic and earth engineering
  5. Underground passageway, e.g., tunnel
  6. Boring

Siegmund Babendererde

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Apparatus for driving tunnels or the like

Patent

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Apparatus for, and a method of, driving tunnels

Mining or in situ disintegration of hard material – Processes – Forming blocks
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Earth pressure shield

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
Patent

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Earth pressure shield

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
Patent

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Form for concrete-placement tunnel lining

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
Patent

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Profile ID: LFUS-PAI-P-243778

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