Number | Date | Country | Kind |
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9-331584 | Dec 1997 | JPX |
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---|---|---|---|
4556524 | Cullis et al. | Dec 1985 | |
4848911 | Uchida et al. | Jul 1989 | |
4964940 | Auvert et al. | Oct 1990 | |
5100234 | Ishibashi et al. | Mar 1992 | |
5830514 | Barenboim et al. | Nov 1998 | |
5882554 | Adachi | Mar 1999 | |
5910262 | Baumgart et al. | Jun 1999 | |
5969817 | Ohsawa | Oct 1999 | |
6004487 | Wada et al. | Dec 1999 |
Entry |
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Y. Kojima et al., Proceedings of the Japan Society for Precission Engineering, Spring meeting 1994, vol. 1, p. 399-400, Mar. 22, 1994. |