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PCE
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CPC Subgroup
H01H 37/42

with curled flexible tube, e.g. Bourdon tube

Full Title

Thermally-actuated switches > Details > Thermally-sensitive members > actuated due to expansion or contraction of a fluid with or without vaporisation (the fluid forming a contact of the switch H01H29/04, H01H29/30) > with curled flexible tube, e.g. Bourdon tube