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Timeline for all types of items produced by
NDUG

YearItems
19853
19881
19892
19902
19912
19926
19938
19946
19956
19966
19976
19986
19996
20003

63 items with a valid date were considered for this timeline (95.45% of the total)
3 items with an invalid date.

Help us in our quest to find exact dates for:

198?: 3 items.