4. Metallurgical apparatus
  5. Means for treating ores or for extracting metals
  6. By means applying heat to work, e.g., furnace

Hajime Otsuka

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Apparatus for adjustment of optical axes in TV camera

Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent

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Stave for cooling of blast furnace walls and method of manufactu

Metallurgical apparatus – Means for treating ores or for extracting metals – By means applying heat to work – e.g. – furnace
Patent

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Profile ID: LFUS-PAI-P-355707

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