4. Stock material or miscellaneous articles
  5. Structurally defined web or sheet
  6. Discontinuous or differential coating, impregnation or bond

Erkki Narhi

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Flexible base web for a construction covering

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent

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Substrate having corrugated sheet(s) and channel(s) for...

Gas separation – Two or more separators – Spaced for parallel flow of gas
Reexamination Certificate

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Profile ID: LFUS-PAI-P-824015

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