4. Hydraulic and earth engineering
  5. Earth treatment or control
  6. Chemical

Charles Penny

Inventor

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Compacting apparatus

Hydraulic and earth engineering – Earth treatment or control – Chemical
Patent

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Railway or tramway rail and rail fastening system

Railways: surface track – Roadbed – Continuous
Reexamination Certificate

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Weed guard cover system

Plant husbandry – Mulching
Patent

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Profile ID: LFUS-PAI-P-130633

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