73781769
Feb 21, 1989
Apr 17, 1990
DIAPHRAGM PUMPS FOR VACUUM OR PRESSURE FOR AIR, GAS, VAPORS AND LIQUIDS, COMPRESSED AIR GENERATORS, PERISTALTIC PUMPS, MINIATURE ROTARY VANE VACUUM PUMPS AND COMPRESSORS FOR SAMPLING AND CIRCULATING AIR AND OTHER GASES IN AIR POLLUTION, MEDICAL AND LABORATORY EQUIPMENT
Machinery