Li Guong-Hong

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Xinyang City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Device and method for collecting bee venom by attracting and electr...
- Patent number 5,004,446
- Issue date Apr 2, 1991
- Li Guong-Hong
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING