Number | Date | Country | Kind |
---|---|---|---|
62-98582 | Apr 1987 | JPX | |
62-131489 | May 1987 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3622995 | Dilks et al. | Nov 1971 | |
3958103 | Oka et al. | May 1976 | |
3980167 | Tamura et al. | Sep 1976 | |
4166540 | Marshall | Sep 1979 | |
4225779 | Sano et al. | Sep 1980 | |
4321672 | Braun et al. | Mar 1982 | |
4322612 | Lange | Mar 1982 | |
4357530 | Roes et al. | Nov 1982 | |
4365700 | Arimoto et al. | Dec 1982 | |
4385285 | Horst et al. | May 1983 | |
4449186 | Kelly et al. | May 1984 | |
4479194 | Fogg et al. | Oct 1984 | |
4493103 | Yamashita et al. | Jan 1985 | |
4535892 | Roes et al. | Aug 1985 | |
4562340 | Tateisi et al. | Dec 1985 | |
4581523 | Okuno | Apr 1986 | |
4602332 | Hirose et al. | Jul 1986 | |
4608488 | Hirose et al. | Aug 1986 | |
4618085 | Kimura et al. | Oct 1985 | |
4739156 | Watanabe | Apr 1988 | |
4786791 | Hodama | Nov 1988 | |
4794530 | Yukiura et al. | Dec 1988 |
Number | Date | Country |
---|---|---|
0103759 | Mar 1984 | EPX |
0225602 | Oct 1986 | JPX |
8504972 | Jul 1985 | WOX |
8504973 | Jul 1985 | WOX |
2102740 | Feb 1983 | GBX |
Entry |
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"All About Metro" brochure, Washington Area Metropolitan Area Transit Authority, Dec. 1983. |