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1
658.15/
658.15/
Intangible
http://dewey.info/class/658.15/
1107716
12300709
14376170
14989238
15075760
15522364
1577377
16836867
17719
179640
2103885
2151220
220579
227985
228906
229625
231108
236805
243868
243896
244307
244552
250122
250155
250183
2506961
250737
251066
254820
254845
254848
277153729
3284362
330997
3341562
36471949
366089
36855858
4439888
4815437
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658.15/
Intangible
http://dewey.info/class/658.15/
type
Intangible