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

Koichi Umeno

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Antenna directing apparatus

Communications: radio wave antennas – Antennas – With means for moving directive antenna for scanning,...
Patent

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Method and apparatus for controlling attitude of shield excavato

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

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Paper-feed control unit and method of control for...

Sheet feeding or delivering – Feeding – By means to convey sheet
Reexamination Certificate

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Profile ID: LFUS-PAI-P-417200

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