Kabushiki Kaisha Nihon Keiki Seisakusho

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Level meter for sound signals
- Patent number 3,991,628
- Issue date Nov 16, 1976
- Kabushiki Kaisha Nihon Keiki Seisakusho
- Shizuo Narita
- G01 - MEASURING TESTING