Thank you very much! This is extremely helpful!
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- Wed Sep 14, 2016 3:22 pm
- Forum: PATSTAT Product Line
- Topic: CPC class 'F21Y2115/30' empty?
- Replies: 2
- Views: 1201
Good afternoon After having tried several versions to retrieve the number of documents in the CPC class mentioned in the subject line, I have always received 0 results. Other classes such as F21Y2101/00 give results with the exact same query. In espacenet, I also find more than a thousand entries. C...