Hisashi Eguchi

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Machida, JA

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Patents Grantslast 30 patents

Information Patent Grant
System for detecting the transmission direction of a signal on a tw...
- Patent number 3,974,401
- Issue date Aug 10, 1976
- Iwasaki Tsushinki Kabushiki Kaisha
- Hisashi Eguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE