Yoshitsugu Utsumi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hothouse for cultivation
- Patent number 4,979,331
- Issue date Dec 25, 1990
- Sanwa Shutter Corporation
- Yoshiaki Tanaka
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING