4. H - Electricity
  5. 05
  6. B

Otto E. Prenn

H - Electricity – 05 – B

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Composite electrode with non-consumable upper section

H - Electricity – 05 – B
Patent

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Electrode seals for electric-arc furnaces

F - Mech Eng,Light,Heat,Weapons – 27 – D
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Paraffin sucker rod scraper and rod centralizer

E - Fixed Constructions – 21 – B
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Profile ID: LFCA-PAI-P-256609

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