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1
331.880945/
331.880945/
Intangible
http://dewey.info/class/331.880945/
1013501079
1250906
13652680
15124176
1646981
1804928
21040520
232806
2416316
26321144
28413397
29240475
2960226
3274005
34818916
3846494
3889362
39887871
4210423
4436989
4805913
5028186
5099288
5219492
5287754
55762739
6196941
6708974
7827784
8834484
9240527
about
331.880945/
Intangible
http://dewey.info/class/331.880945/
type
Intangible