An improved cartridge case completely produced net shape on a progressive cold former that includes a trim to lengthy station with an internal shearing tool.
申请公布号
WO2014051940(A1)
申请公布日期
2014.04.03
申请号
WO2013US57969
申请日期
2013.09.04
申请人
NATIONAL MACHINERY LLC
发明人
HAY, THOMAS, E.;CARPER, JEFFREY, W.;WASSERMAN, STANLEY, J.
