Number | Date | Country | Kind |
---|---|---|---|
3719214 | Jun 1987 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2084212 | Moreira | Jun 1937 | |
2129233 | Peffers | Sep 1938 | |
2180350 | Everett et al. | Nov 1939 | |
2268043 | Lavarack et al. | Dec 1941 | |
2831071 | Taylor | Apr 1958 | |
3316362 | Mayo et al. | Apr 1967 |
Number | Date | Country |
---|---|---|
1885537 | Jan 1964 | DEX |
1911315 | Jul 1970 | DEX |
2237124 | Feb 1974 | DEX |
8329847 | Oct 1983 | DEX |
3211923 | Oct 1983 | DEX |
0137677 | Oct 1979 | JPX |
Entry |
---|
"Aluminum-Verbundstromschiene" (Electrische Bahnen, (Electric Railways)) 1976, vol. 7; pp. 157-159, 2 cover sheets, and pp. 3-7. |