4. Cutting by use of rotating axially moving tool
  5. Tool-support
  6. With tool-retaining means

Severino Venturini

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Device for coupling a rod for drilling a taphole

Cutting by use of rotating axially moving tool – Tool-support – With tool-retaining means
Patent

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Machine for drilling tapholes of a shaft furnace

Metallurgical apparatus – Means sealing or opening aperture in vessel
Patent

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Pivoting device with arm and control rod

Metallurgical apparatus – Means sealing or opening aperture in vessel
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1151729

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