39066 ⎘
Making helical bodies or bodies having parts of helical shape articles with helicoidal surface
Reel blade and manufacturing method
#2Screw conveyors, augers, and flighting for use therein
#3DEVICE FOR ROLLING AN ECCENTRIC ROTATIONAL COMPONENT, ROLLING MACHINE, METHOD, AND ECCENTRIC ROTATIONAL COMPONENT
#4Flighting for a conveyor and apparatus for producing such flighting