Koichi Kondo

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Shutter device
- Patent number 4,595,043
- Issue date Jun 17, 1986
- Bunka Shutter Co., Ltd.
- Nobuaki Nozawa
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS