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PCE
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CPC Subgroup
F41A 13/12

Systems for cooling the outer surface of the barrel (F41A13/10, F41A21/24 take precedence)

Full Title

Cooling or heating systems; Blowing-through of gun barrels; Ventilating systems > Systems for cooling the outer surface of the barrel (F41A13/10, F41A21/24 take precedence)