Katsuhisa Seki

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Ohmiya, JA

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Patents Grantslast 30 patents

Information Patent Grant
System for operating fire prevention devices
- Patent number 3,979,648
- Issue date Sep 7, 1976
- Nohmi Bosai Kogyo Co., Ltd.
- Shigeru Toyoshima
- A62 - LIFE-SAVING FIRE-FIGHTING