CPC Subgroup
F41A 27/26 Fluid-operated systems (F41A27/02, F41A27/04, F41A27/30 take precedence)
Full Title
Gun mountings permitting traversing or elevating movement, e.g. gun carriages > Fluid-operated systems (F41A27/02, F41A27/04, F41A27/30 take precedence)