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Posted by D.H. on May 24, 2006 at 15:53:02:In Reply to: Re: United Airlines CPAP policy posted by Bird Watcher on May 24, 2006 at 13:25:56:
In that case, can you tell us why aircraft electricity is 400hz, wheras land-based electricity is 50hz or 60hz?
- Re: United Airlines CPAP policy Bird Watcher 20:36 5/24/06 (1)
- Re: United Airlines CPAP policy santasnore 20:34 5/26/06 (0)
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