Fujita, Masaru.

A theoretical analysis of water ring vacuum pumps / by Masaru Fujita. - Chiba-ken, Japan : Research Institute of Industrial Technology, Nihon University, 1987. - 10 p. : ill. - Report of the Research Institute of Industrial Technology, Nihon University, no. 23 0386-1678 ; .

89080219


Vacuum-pumps.