4. Stock material or miscellaneous articles
  5. Circular sheet or circular blank
  6. Recording medium or carrier

Robert V. Colangelo

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Article for sealing well castings in the earth

Stock material or miscellaneous articles – Circular sheet or circular blank – Recording medium or carrier
Patent

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Method for sealing well casings in the earth

Wells – Processes – Cementing – plugging or consolidating
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Profile ID: LFUS-PAI-P-84049

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