Referenziert von|
| US4166143 | 24. Jan. 1977 | 28. Aug. 1979 | Prototech Company | Control of the interaction of novel platinum-on-carbon electrocatalysts with fluorinated hydrocarbon resins in the preparation of fuel cell electrodes | | US5589129 | 19. Juni 1995 | 31. Dez. 1996 | Kabushiki Kaisha Toshiba | Method of manufacturing a molding using a filler or an additive concentrated on an arbitrary portion or distributed at a gradient concentration |
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