| 摘要 |
PCT No. PCT/US97/00024 Sec. 371 Date Nov. 8, 1999 Sec. 102(e) Date Nov. 8, 1999 PCT Filed Jan. 3, 1997 PCT Pub. No. WO98/29051 PCT Pub. Date Jul. 9, 1998This invention is directed to a whip arm mounting (26) of the European style whip arms on the control head (10) of a dental delivery system, where multiple whip arms (26) are automatically centered and returned to the center rest or storage position without touching the control head cover (12), or the bottom pan (11), and are movable from side to side while carried in a single mounting bracket (50) in the control head.
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