Indexation 641, KAN-n, 1988 AN: 4218 c.1/4219 c.2/4220 c.3/4221 c.4/4222 c.5/42223 c.6/4224 c.7/4225 c.8/4226 c.9/4227 c.10
641 , MOE-f, 2040 AN: 2862 c.1/2863 c.2 Library items with class number 641, KAN-n, 1988 AN: 4218 c.1/4219 c.2/4220 c.3/4221 c.4/4222 c.5/42223 c.6/4224 c.7/4225 c.8/4226 c.9/4227 c.10 (0)
empty descriptor