The instant invention relates to {HEAD ~ a fluid pump} comprised by blades to be used for pumping fluids, which may also be used as compressor, {TAIL ~ vacuum pump} and to overfeed internal combustion engines 
used as
The instant invention relates to { HEAD ~ a fluid pump } comprised by blades to be used for pumping fluids , which may also be used as compressor , { TAIL ~ vacuum pump } and to overfeed internal combustion engines
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH