4. Boring or penetrating the earth
  5. Tool removable or insertable through or around driving or...
  6. Laterally shiftable cutter element movable through shaft

Toshio Tsukamoto

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Device for fixing disk cutter to tunnel excavator

Boring or penetrating the earth – Tool removable or insertable through or around driving or... – Laterally shiftable cutter element movable through shaft
Patent

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Method and apparatus for the methane fermentation treatment...

Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate

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Method of treating at a high-temperature waste liquid from...

Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1446145

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