4. Metallurgical apparatus
  5. Means for melting or vaporizing metal or treating liquefied...
  6. By means introducing treating material

Keizo Aramaki

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Bottom blown gas blowing apparatus for molten metal ladle

Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By means introducing treating material
Patent

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Gas blowing plug and manufacturing method therefor

Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By means introducing treating material
Reexamination Certificate

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Gas blowing plug and manufacturing method therefor

Plastic and nonmetallic article shaping or treating: processes – With step of making mold or mold shaping – per se – Utilizing surface to be reproduced as an impression pattern
Reexamination Certificate

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Refractory for gas blowing for molten metal refining vessel

Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By means introducing treating material
Patent

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Profile ID: LFUS-PAI-P-1839288

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