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14

Electrical and electronics industry

Passive electronic components

Coils, transformers, magnets and quartz crystals

6731.11

HF and IF coils, coil sets, HF chokes

6731.12

Magnetic core spools

6731.13

SMD inductances

6731.14

Suppression chokes

6731.15

Radio interference coils

6731.16

Power factor correction chokes

6731.18

Transponder coils

6731.21

Filters for communication technology

6731.23

Anti-interference media for communications

6731.25

Ferrites

6731.26

Magnetic powder cores

6731.27

Storage ferrit (accumulating magnetic) cores and matrixes

6731.29

Storage chokes

6731.39

Low frequency transformers

6731.41

High frequency transformers

6731.43

Subminiature transformers for printed circuits

6731.49

Impulse transformers

6731.51

Low-pass filters

6731.52

Ceramic filters

6731.53

Interference filters

6731.54

Radio interference suppression filters

6731.57

Band-stop filters

6731.58

Line filters

6731.59

Quartz filters

6731.60

Surface wave filters

6731.61

Magnetic tapes

6731.62

Magnets

6731.63

Magnetic rings

6731.67

Crystals, synthetic

6731.69

Laser crystals, synthetic

6731.71

Piezoelectric resonators

6731.75

Resonators