4. Hydraulic and earth engineering
  5. Miscellaneous

Roy L. Bell

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Cowl arrangements for mining machines

Mining or in situ disintegration of hard material – Hard material disintegrating machines – With mine roof-supporting means
Patent

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Equipment for laying a layer of elongate material

Mining or in situ disintegration of hard material – Hard material disintegrating machines – With mine roof-supporting means
Patent

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Equipment for laying a layer of elongate material adjacent to an

Hydraulic and earth engineering – Miscellaneous
Patent

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Profile ID: LFUS-PAI-P-370915

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