4. Metallurgical apparatus
  5. With control means responsive to sensed condition
  6. By treated material sampling means

David V. Neff

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Apparatus for controlling the magnesium content of molten alumin

Metallurgical apparatus – With control means responsive to sensed condition – By treated material sampling means
Patent

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Apparatus for melting metal particles

Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By stirring or mixing molten metal
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Molten metal pump with filter

Rotary kinetic fluid motors or pumps – With separating means or guard for solid matter in working...
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