Watanabe Takeshi

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Ohkuma-machi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Interarch orthodontic coil spring
- Patent number 5,545,037
- Issue date Aug 13, 1996
- GAC International, Inc.
- Watanabe Takeshi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE