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16

Optics and fine mechanics

Fine mechanical instruments

Control, regulation and recording devices

2127.11

Portable speedometers

2127.12

Roll speedometers

2127.14

Manometers

2127.15

Diaphragm pressure gauges

2127.16

Tube spring manometers

2127.17

Industrial thermometers

2127.18

Thermal element thermometers

2127.21

Metal membranes

2127.22

Pressure capsules

2127.31

Water meters

2127.32

High volume water meters

2127.33

Hot water meters

2127.34

Gas meters

2127.35

Gas flow meters

2127.36

Gas billing flow meters

2127.37

Liquefied gas meters

2127.40

Heating cost distributors

2127.41

Heat meters

2127.42

Flap flow meters

2127.43

Small flow meters

2127.45

Shunt current and differential pressure flow meters

2127.46

Suspended solid particle flow meters

2127.47

Level control apparatus

2127.48

Turbine flowmeters

2127.49

Toothed wheel flowmeters

2127.51

Gas chromatographs

2127.52

Gas analysis devices

2127.53

Dasymeters

2127.61

Portable counters

2127.81

Screw-type flow meters

2127.95

Movements

2127.96

Manometer tube springs

2127.97

Manometer helical springs

2127.98

Accessories for control, regulating and recording devices