Hsiu-Hung Chien

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Hsin Tien City, Taipei Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Insect-repellent device
- Patent number 5,168,654
- Issue date Dec 8, 1992
- Hsiu-Hung Chien
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING