![]() ![]() H01R- ELECTRICALLY-CONDUCTIVE CONNECTIONS STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS COUPLING DEVICES CURRENT COLLECTORS.B21D39/046- Connecting tubes to tube-like fittings.coating with sheet metal otherwise than by plating Tube expanders of tubes with tubes of tubes with rods using presses for radially crimping tubular elements B21D39/048- Application of procedures in order to connect objects or parts, e.g.coating with sheet metal otherwise than by plating Tube expanders of tubes with tubes of tubes with rods B21D39/04- Application of procedures in order to connect objects or parts, e.g.coating with sheet metal otherwise than by plating Tube expanders ![]() B21D39/00- Application of procedures in order to connect objects or parts, e.g.B21D- WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING METAL.B21- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING METAL.238000006467 substitution reaction Methods 0.000 description 1.238000005859 coupling reaction Methods 0.000 description 2.229910000831 Steel Inorganic materials 0.000 description 2. ![]() ![]()
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