ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
G21C0007117000 Clusters of control rods; Spider construction 1
G21C0007120000 Means for moving control elements to desired position (dropping control rods into the reactor core in an emergency G21C0009020000) 1
G21C0007140000 Mechanical drive arrangements 1
G21C0007160000 Hydraulic or pneumatic drive arrangements 1
G21C0007180000 Means for obtaining differential movement of control elements 1
G21C0007200000 Disposition of shock-absorbing devices 1
G21C0007220000 by displacement of a fluid or fluent neutron-absorbing material 1
G21C0007240000 Selection of substances for use as neutron-absorbing material 1
G21C0007260000 by displacement of the moderator or parts thereof 1
G21C0007270000 Spectral shift control 1
G21C0007280000 by displacement of the reflector or parts thereof 1
G21C0007300000 by displacement of reactor fuel or fuel elements 1
G21C0007320000 by varying flow of coolant through the core 1
G21C0007340000 by utilisation of a primary neutron source 1
G21C0007360000 Control circuits 1