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| gravedad API Instituto Americano del Petróleo | |||
| Angielski tezaurus | |||
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| measure of liquid specific gravity as defined by the American Petroleum Institute | |||
| American Petroleum Institute gravity (index) | |||
| American Petroleum Institute fuel specific gravity | |||
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API gravity : 1 do fraz, 1 tematyki |
| Technika i technologia | 1 |