Number | Date | Country | Kind |
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11-135084 | May 1999 | JP |
Number | Name | Date | Kind |
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3327811 | Mastroberte | Jun 1967 | A |
5183979 | Sheridan et al. | Feb 1993 | A |
5299661 | Pramanik et al. | Apr 1994 | A |
5323878 | Nakamura et al. | Jun 1994 | A |
5516723 | Luebke | May 1996 | A |
5653312 | Kato | Aug 1997 | A |
Number | Date | Country |
---|---|---|
64-13388 | Jan 1989 | JP |
3-177283 | Aug 1991 | JP |
Entry |
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“Safety Code of Elevators and Escalators”, The American Soc. of Mechanical Engineers, p. 67, 1987. |