Tadakazu Tsutada

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Hachioji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Structure of multilayered unit for windows
- Patent number 4,520,611
- Issue date Jun 4, 1985
- Teijin Limited
- Tadashi Shingu
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS