CN98110949.7 nano tungsten carbide

29 CN98110948.9 nano tungsten wire carbide - cobalt carbide manufacturing method and apparatus
30 CN99116597.7 no η phase tungsten carbide - cobalt nano composite powders preparation technology industrialization
31 CN00131972.8 carbide forming compositions lamellae
32 CN00110137.4 one kinds of tungsten carbide and titanium carbide cobalt compound powder for
33 CN99813214.4 by gas carburizing method of manufacturing tungsten carbide
34 CN01129544.9 tungsten carbide nano-aluminum powder preparation methods
35 CN01124317.1 used to manufacture tungsten carbide grain growth inhibitor / cobalt carbide method
36 CN99816146.2 tungsten carbide coating and manufacturing method thereof
37 CN01113768.1 WC - Steel gradient resistant materials manufacturing technology
38 CN02115751.0 tungsten carbide hardfacing materials and welding
39 CN00126115.0 copper tungsten contact material
40 CN200710156222.2 A carbon nano-tubes containing tungsten carbide catalyst and its preparation method
41 CN200680010523.8 for tungsten eletrode carbide and cobalt powder of ultrafine composite
42 CN200710056281.2 fiber particles having a tungsten carbide sintered body of aluminum
43 CN200610104730.1 nickel silicon titanium - tungsten carbide composite coating material and method
44 CN200710032493.7 nano tungsten carbide microwave induced catalytic preparation method
45 CN200710045597.1 nanostructured WC and nano-brush plating PTFE Preparation and Application
46 CN200810030826.7 ultrafine cemented carbide body quickly to the use of waste separation and extraction of crushed tungsten carbide and cobalt carbonate method
47 CN85100348 twins optimized ratio of 2.2_ tungsten carbide - cobalt alloy system of law
48 CN86106868 tungsten catalyst and the method for producing special T-carbonization furnace
49 CN86108146 cylindrical surface of the composite particles of tungsten carbide casting method
50 CN200410012950.2 a wear-resistant tungsten carbide electrode tube
51 CN200410012902.3 tungsten carbide - cobalt composite powder preparation method of direct reduction and carbonization
52 CN200410012339.X vapor phase synthesis and preparation of nanocrystalline tungsten carbide
53 CN03134123.3 one kind of tungsten carbide-cobalt alloy powder
54 CN03139230.X a high-performance fine tungsten carbide powder preparation method
55 CN200410040330.X needle method for producing tungsten carbide powder
56 CN200410011177.8 carbon vacancy-type sintered tungsten carbide method for preparing aluminum
57 CN200410009568.6 a nano-grade tungsten powder and tungsten carbide powder preparation method