Otto E. Prenn

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Composite electrode with non-consumable upper section

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Composite electrode with non-consumable upper section

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Paraffin sucker rod scraper and rod centralizer

Wells – Brushing – scraping – cutting or punching-type cleaners – On sucker rod
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Process for upset forging of long stands of metal bar stock

Metal deforming – With cleaning – descaling – or lubrication of work or product – Lubricating
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Profile ID: LFUS-PAI-P-597799

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