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Class Information
Number: 89/4.2
Name: Ordnance > Explosion opened breech > Transverse sliding breech block
Description: Subject matter where the explosion opens a closure which moves along an axis at an angle with respect to the gun barrel.

Patents under this class:

Patent Number Title Of Patent Date Issued
7584691 Self-powered impulse averaging recoil operated machine gun with a rotary lock bolt driven by bimodal cams Sep. 8, 2009
7178443 Wedge-type breechblock Feb. 20, 2007
5085123 Large-caliber guns Feb. 4, 1992
4955281 Counterrecoil blocking device Sep. 11, 1990
4308785 Breech mechanisms Jan. 5, 1982

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