oil diffusion vacuum pump
The diffuser pump is sometimes confusing because it has no moving parts. It operates in a completely different way from gas displacement pumps (suc...
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![Éoliennes: du rêve aux réalités [le film]](https://sun9-29.userapi.com/PMRoX3O6eXerQ-SueLLed-DBnzhTE48k-9PyaA/FvmqXRRSLAQ.jpg)
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