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Application filed by Ciba GeigyfiledCriticalCiba Geigy
Publication of BE581536ApublicationCriticalpatent/BE581536A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
B21D39/06—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Multiple-Way Valves
(AREA)
BE581536A1958-08-111959-08-10Colorants azoïques nouveaux, leur procédé d'obtention et d'utilisation.
BE581536A
(fr)