| 摘要 |
An improved union group (1) for locking a music instrument (P) to a support element (A) comprising a pair of support organs (2, 3), suitable to be associated with the support element (A) and to support the music instrument (P), and a seal body (4), arranged above the support organs (2, 3), and connection means (5) which permanently bind the music instrument (P) to the support organs (2, 3). The connection means (5) include a bayonet joint part of which is given by a shaped portion (6) connected with the seal body (4).
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