IS- 6849 (Part -I)- Methods of Measurement of the Performance Characteristics of Positive Displacement Vaccum Pumps.
Indian standards Institution, New Delhi
IS- 6849 (Part -I)- Methods of Measurement of the Performance Characteristics of Positive Displacement Vaccum Pumps.
IND
IS- 6849 (Part -I)- Methods of Measurement of the Performance Characteristics of Positive Displacement Vaccum Pumps.
IND