Vacuum technology; acceptance specifications for rotary plunger vacuum pumps, sliding vane rotary vacuum pumps and rotary piston vacuum pumps for the ranges of rough and medium vacuum— 12 стр.
Measurement of fluid flow by means of orifice plates, nozzles and venturi tubes inserted in circular cross-section conduits running full (VDI-rules for measurement of fluid)— 62 стр.
Vacuum technology; acceptance specifications for rotary plunger vacuum pumps and sliding vane rotary vacuum pumps for the ranges of rough and medium vacuum— 11 стр.
Vacuum technology; acceptance specifications for rotary plunger vacuum pumps and sliding vane rotary vacuum pumps for the ranges of rough and medium vacuum— 11 стр.