4. Excavating
  5. Snow or ice removing or grooming by portable device
  6. Snow or ice surface groomer

Walter Haug

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Apparatus for forming cross country skiing tracks in a snow cove

Road structure – process – or apparatus – Apparatus – Screed or drag
Patent

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Levelling attachment

Excavating – Snow or ice removing or grooming by portable device – Snow or ice surface groomer
Patent

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Rotary tiller for maintaining cross country ski trails

Excavating – Snow or ice removing or grooming by portable device – Process
Patent

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Snow grooming device

Excavating – Snow or ice removing or grooming by portable device – Snow or ice surface groomer
Patent

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Snow tiller

Excavating – Snow or ice removing or grooming by portable device – Snow or ice surface groomer
Patent

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Profile ID: LFUS-PAI-P-824963

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