Tungsten carbide production process patented technology

1 CN02139240.4 one kind of tubular tungsten carbide electrode
2 CN02147651.9 bulk nanocrystalline tungsten carbide material preparation method
3 CN03114738.0 A process for preparing tungsten carbide powder method
4 CN02139684.1 tungsten carbide based cemented carbide
5 CN01137415.2 method of generating tungsten carbide
6 CN03118555.X cubic boron nitride particles containing a tubular tungsten carbide electrode
7 CN03121395.2 tungsten carbide powder aluminum solid solution prepared by high temperature solid state reaction method
8 CN01815126.4 ultra coarse crystal tungsten carbide and its preparation method, and the thus prepared hard metal
9 CN02107766.5 particle method for producing tungsten carbide powder and powder
10 CN96102237.X tungsten carbide, titanium carbide fine powder at room temperature synthesis method
11 CN87107470 coarse grain - tungsten carbide powder and its production method
12 CN87104916.3 tungsten carbide spray powder formulations and uses
13 CN89103642.3 for flame sprayed tungsten carbide
14 CN90109258.4 tungsten carbide - cobalt carbide microwave sintering method
15 CN89107615.8 tungsten carbide finishing roll manufacturing process technology
16 CN91106626.8 tungsten carbide inserts carbide powder, dry powder or a method and apparatus for grading
17 CN91103269.X tungsten carbide based cemented carbide manufacturing method
18 CN92112092.3 carbide materials, catalysts and catalyst with the aromatic nitro or nitroso derivative hydrogenation method
19 CN94117520.0 containing rare earth oxides and tungsten carbide based cemented carbide
20 CN95112712.8 size controllable method for preparing nanoscale tungsten carbide
21 CN95103041.8 tungsten carbide base rolling with the tip of the manufacturing lead-bit
22 CN97107556.5 tungsten carbide based cemented carbide spray (paint) powder and its production process
23 CN96115596.5 producing vanadium carbide
24 CN97122085.9 A process for preparing tungsten carbide - Nickel - iron-based nano composite powder technology and equipment
25 CN98110708.7 composite carbide synthesis of nanocrystalline tungsten carbide - cobalt composite powder method
26 CN98808877.0 preparation method of ultrafine tungsten carbide-cobalt alloy
27 CN98110950.0 nanostructured WC - Co - TiC - vanadium carbide carbide manufacturing method and apparatus