Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C9/00—Cooling, heating or lubricating drawing material
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Cleaning And De-Greasing Of Metallic Materials By Chemical Methods
(AREA)
Verfahren und Vorrichtung zur Bestimmung des Gehalts an organisch gebundenem Kohlenstoff in stark salzhaltigem und organische Substanzen enthaltendem Wasser
Verfahren zur Herstellung von Faeden aus tierischen oder pflanzlichen Proteinen mit erhoehter Widerstandsfaehigkeit gegen heisses Wasser oder heisse, verduennte Saeure