4. Hydraulic and earth engineering
  5. Subterranean or submarine pipe or cable laying, retrieving,...
  6. Repair, replacement, or improvement

American Colloid Company

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Acid activated clay for use in foundry sand

Metal founding – Process – Shaping a forming surface
Reexamination Certificate

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Agent for the purification of waste waters and process for its p

Compositions – Water-softening or purifying or scale-inhibiting agents – Plant or organic material containing
Patent

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Animal dross absorbent and method

Animal husbandry – Material for absorbing moisture from waste product – Having clay component
Patent

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Animal dross absorbent and method

Animal husbandry – Material for absorbing moisture from waste product – Having clay component
Patent

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Animal dross absorbent and method

Animal husbandry – Material for absorbing moisture from waste product – Having clay component
Patent

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Profile ID: LFUS-PAI-P-20669

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