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

Michio Kitawaki

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Sealing mechanism for bearings

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Shield tunneling method using flexible segments, flexible segmen

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

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Profile ID: LFUS-PAI-P-1422314

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