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Version 3.0.6 -- Revision 6
ONIX Code List 45 46 ONIX_BookProduct_Codelists_Issue_4546_Changes.pdf
Version 2.1.3 – Revision 3 (Revision 4 is largely about changes for Japan)
ONIX Code List Issue 36 is the last code list that should be used for ONIX 2.1
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