1. Liquid ring vacuum pumps, compressors and systems
پدیدآورنده : Helmut Bannwarth ; translated by Christine Ahner
کتابخانه: Central Library of Shahrekord University (Chaharmahal va Bakhtiari)
موضوع : Vacuum technology
2. Liquid ring vacuum pumps, compressors and systems
پدیدآورنده : Helmut Bannwarth ; translated by Christine Ahner
کتابخانه: Central Library Yasuj University (Kohgiluye va Buyer ahmad)
موضوع : Vacuum technology
رده :
621
,.
55
,.
B366
,
2005
