Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456 BE516671A - - Google Patents
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21B—ROLLING OF METAL
B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
B21B13/14—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls
Dispositif pour le dressage de pieces a symetrie de revolution deformables a froid, en particulier des axes, des arbres, des boulons et des pieces analogues