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Inventor
ENGELBERGER RAIMUND
DE
2 patents
Patents
2 patents
US5591008A
Jan 7, 1997
Fan impellers
PAPST MOTOREN GMBH & CO KG
50 citations
90
US4886415A
Dec 12, 1989
Fan with an essentially square housing
PAPST MOTOREN GMBH & CO KG
9 citations
70