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Device for avoiding contamination of the tapped steel by...

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

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Device for closing a tap hole of a metallurgical vessel

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

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Device for inserting a lance into a pressurized container, in pa

Metallurgical apparatus – Means sealing or opening aperture in vessel
Patent

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Device for installing and removing gas purging plugs for metallu

Metallurgical apparatus – Means sealing or opening aperture in vessel
Patent

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Device for mounting a gripper to a piercing machine

Metallurgical apparatus – Means sealing or opening aperture in vessel
Patent

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Device for opening and closing a vessel containing a metal in th

Metallurgical apparatus – Means sealing or opening aperture in vessel
Patent

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Device for opening furnace tap holes

Metallurgical apparatus – Means sealing or opening aperture in vessel
Patent

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Device for opening the taphole of a shaft furnace

Metallurgical apparatus – Means sealing or opening aperture in vessel
Patent

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Device for placing slag retention devices in tapping converters

Metallurgical apparatus – Means sealing or opening aperture in vessel – By means plugging aperture
Patent

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Device for plugging a taphole in a furnace

Metallurgical apparatus – Means sealing or opening aperture in vessel – By means plugging aperture
Patent

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Device for removing worn nozzle bricks or nozzle linings from me

Metallurgical apparatus – Means sealing or opening aperture in vessel
Patent

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Drilling machine for blast furnace tapholes

Metallurgical apparatus – Means sealing or opening aperture in vessel
Patent

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