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Publication of FR477394ApublicationCriticalpatent/FR477394A/fr
F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
F41A1/00—Missile propulsion characterised by the use of explosive or combustible propellant charges
F41A1/06—Adjusting the range without varying elevation angle or propellant charge data, e.g. by venting a part of the propulsive charge gases, or by adjusting the capacity of the cartridge or combustion chamber