Tohru Yoshida

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Yakumo, JP

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 4,974,658
- Issue date Dec 4, 1990
- Komatsu Denki Sangyo Kabushiki Kaisha
- Akio Komatsu
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS