Electrical heating body and method of manufacturing the same
GB248336A
Process for the production of mechanically very solid bodies, of suitable shape from tungsten carbide, for tools and like articles
GB246487A
Process for the production of mechanically very solid bodies of suitable shapes from the carbides of metals having high fusing points, such as tungsten carbide, for tools and like articles
US1840457A
Alloy
US1477508A
Process and device for making sharply-defined castings
US1537839A
Manufacture of metal blanks
US1518083A
Process of eliminating carbon from carbon-containing metals
US1610061A
Process for producing tungsten and molybdenum carbide in lumps of various sizes
US1652027A
Process for the manufacture of very hard metallic alloys
GB157769A
Process for the manufacture of very hard, but ductile tools and the like adapted to resist mechanical stresses
GB157780A
A process for the withdrawal of the carbon from metals of a high melting temperature