Number | Date | Country | Kind |
---|---|---|---|
8228259 | Oct 1982 | GBX |
Number | Date | Country |
---|---|---|
1013632 | Jan 1973 | CAX |
162226 | Dec 1981 | JPX |
Entry |
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Compressed Natural Gas (CNG): A Vehicle Fuel for Utility Company Fleets-"The Pros and Cons"-Thompson et al., Feb. 1982, pp. 1-11. |