4. Metallurgical apparatus
  5. With recording, indicating, inspection or measuring means
  6. Having observation means

Yung-Hsiang Tsai

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Apparatus for observing interior of a blast furnace system

Metallurgical apparatus – With recording – indicating – inspection or measuring means – Having observation means
Reexamination Certificate

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Battery protection circuit and protection method

Electricity: battery or capacitor charging or discharging – Battery or cell discharging – Regulated discharging
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3323809

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