4. Measuring and testing
  5. Surface and cutting edge testing
  6. Roughness

Robert E. Parks

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Chemiluminescent nitrogen detection apparatus and method

Chemistry: analytical and immunological testing – Nitrogen containing – Total nitrogen determined
Patent

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Chemiluminescent nitrogen detection apparatus and method

Chemistry: physical processes – Physical processes – Crystallization
Patent

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Chemiluminescent sulfur detection apparatus and method

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Chemiluminescent
Patent

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Chemiluminescent sulfur detection apparatus and method

Chemistry: analytical and immunological testing – Sulfur containing – Total or elemental sulfur
Patent

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Device for protectively covering hearths

Stoves and furnaces – Fireplaces or accessories
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Profile ID: LFUS-PAI-P-180906

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