HF investment Ltd.

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Taichung City, TW

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Information Patent Application
ALUMINUM ALLOY DEOXIDIZER WITH CARBON COMPOUNDS
- Publication number 20240360527
- Publication date Oct 31, 2024
- HF investment Co., LTD.
- CHIEN-HAO LEE
- C21 - METALLURGY OF IRON
Information Patent Application
AUTO-DIRECTING AUDITING SYSTEM
- Publication number 20240302171
- Publication date Sep 12, 2024
- HF investment Ltd.
- CHIEN-HAO LEE
- G06 - COMPUTING CALCULATING COUNTING

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