Process for the manufacture of pieces of tungsten or molybdenum carbide of any desired size
GB157749A
Process for the manufacture of pieces of any desired size or shape of tungsten or molybdenum carbide or of a mixture of these carbides for tools and articles of all kinds
GB157747A
Process for making blocks of any form or desired size from tungsten or molybdenum carbide or from a mixture of this carbide for tools and articles of all kinds
DE335405C
Process for the production of very hard, but ductile and break-resistant tools from carbon-containing metals
