4. Printing and office machinery
  5. Typewriter or calculator
  6. Calculator

David C. Peters

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Duct design calculator

Printing and office machinery – Typewriter or calculator – Calculator
Patent

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Process for the manufacture of soap

Compositions – Soaps
Patent

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Process for the manufacture of soap

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
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Treatment of effluent

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent

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Profile ID: LFUS-PAI-P-956365

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