Valves of metal other than machine elements[ ; pressure reducing valves of metal other than machine elements; constant flow valves of metal other than machine elements ]

[ Constant temperature incubators for laboratory or industrial equipment; ] temperature indicators; [ manometers, namely, pressure gauges; spirit levels, namely, level indicators; tachometers; speed indicators; calorimeters; viscosimeters; concentration meters; gravimeters; densimeters; ] flowmeters; [ automatic pressure control machines and instruments, namely, regulators for commercial, industrial and agricultural use and electropneumatic regulators for commercial, industrial and agricultur...

providing transportation of perishable cargo in a temperature controlled air cargo container transport dolly