Libera tonsione et libera perforatione
 Patentis Nationalis Numero: ZL2005 2 00192 11.6
 Unus operarius saltem sex machinas operari potest
 Libera Tonsura et Libera Perforatio - Circa 10% sumptus productionis conservantur
 Operatio stabilis, reiectionis ratio circiter 0.2% 
 