| Category | License | Title | Info | Download | Report |
|---|---|---|---|---|---|
| OCAL | CC0 Public Domain | Fuel Cell Apparatus Pumped Liquid Reactants |  |  |  |
| OCAL | CC0 Public Domain | Fuel Cell Apparatus Humidified Oxidant |  | | |
| OCAL | CC0 Public Domain | Fuel Cell Apparatus Pressurized Liquid Reactants |  | | |
| OCAL | CC0 Public Domain | Possible Long Term Effects Of Ethanol |  | | |
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