Patent Number: 051679108
Section: claims

1. A fuel assembly comprising: an upper tie plate having a first nuclear fuel identification code and a second nuclear fuel identification code of a different expression from that of the first nuclear fuel identification code, marked adjacently to each other;  a lower tie plate; and  a plurality of fuel rods having opposite ends thereof held by said upper tie plate and said lower tie plate. 2. A fuel assembly according to claim 1 wherein said upper tie plate includes a handle having the first nuclear fuel identification code expressed by characters and the second nuclear fuel identification code of the corresponding content expressed by a plurality of separate recesses formed in adjacent to the first nuclear fuel identification code. 3. A fuel assembly according to claim 2 wherein said handle has an additional recess formed on the top thereof, said additional recess having a different width than the width of the recesses constituting the second nuclear fuel identification code and, serving as a read reference for the second nuclear fuel identification code.