Connecting element having a recessed portion on top of one end and a recessed portion on bottom of the other end (Patent, US-9972956-B2)
Author: | Jens Heim, Sergej Mensch, Andreas Schiffler |
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Persistent identifier: | https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9972956 |
Document Type: | misc |
Language: | English |
Year of publication: | 2018 |
Release Date: | 2023/10/31 |