ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
G21C0013000000 Pressure vessels; Containment vessels; Containment in general 1
G21C0013020000 Details 1
G21C0013024000 Supporting constructions for pressure vessels or containment vessels 1
G21C0013028000 Seals, e.g. for pressure vessels or containment vessels 1
G21C0013032000 Joints between tubes and vessel walls, e.g. taking into account thermal stresses 1
G21C0013036000 the tube passing through the vessel wall, i.e. continuing on both sides of the wall 1
G21C0013040000 Arrangements for expansion and contraction 1
G21C0013060000 Sealing-plugs 1
G21C0013067000 for tubes, e.g. standpipes; Locking devices for plugs 1
G21C0013073000 Closures for reactor-vessels, e.g. rotatable 1
G21C0013080000 Vessels characterised by the material; Selection of materials for pressure vessels 1
G21C0013087000 Metallic vessels 1
G21C0013093000 Concrete vessels 1
G21C0013100000 Means for preventing contamination in event of leakage 1
G21C0015000000 Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants 1