Process for the production of sintered metal bodies
DE764815C
Solder for soldering high-speed steel or hard metal on steel
DE764658C
Heating wire resistant to corrosion in the air in the heat
DE722763C
Drill pipe for rock drill with a larger inner longitudinal bore than required for the passage of the flush
DE758462C
Rock percussion drill
DE764041C
Detachable drilling connection with intermediate piece for rock percussion drill
DE764144C
Process for the production of hard supports for knives, cutting tools and other work equipment
DE891236C
Tool, in particular a drawing or pressing tool, with a hard metal core and a metal socket surrounding it, and a method for connecting the core to the socket
DE935456C
Process for the production of alloy powders
DE756754C
Process for the production of synthetic resin grinding bodies, especially grinding wheels
DE767126C
Tool with hard metal cutting edge, especially for metalworking
DE751201C
Flexible metal mesh insert for soldering metal pieces on tools