CPC Subgroup
F03G 7/06 using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like (using thermal expansion of non-vaporising liquids F01K)
Full Title
Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for > using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like (using thermal expansion of non-vaporising liquids F01K)
7 direct subcodes
Child Classifications
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