4. Mining or in situ disintegration of hard material
  5. Cutter tooth or tooth head
  6. Cleansing fluid passage

Johannes Wesselmann

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Control device for electrohydraulic mining controllers

Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate

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Control device for electrohydraulic support controller

Electrical connectors – With insulation other than conductor sheath – Insulating body having plural mutually insulated terminals...
Reexamination Certificate

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Control device for electrohydraulic support controller

Electrical connectors – With insulation other than conductor sheath – Insulating body having plural mutually insulated terminals...
Reexamination Certificate

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Controller for underground mining

Data processing: generic control systems or specific application – Generic control system – apparatus or process – Sequential or selective
Reexamination Certificate

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Shearer loader for underground mining comprising a spray system

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Cleansing fluid passage
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2270790

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