Comment karlsuss 2001-03-08 18:54:04: 4 inch mask holder

martinez at martinez at
Thu Mar 8 06:54:05 PST 2001

I found some rough edges on the part of the mask holder
that makes contact with the mask.  this was caused by
improper handling and storage of the mask holder. I smoothed
the edges down which eliminated the vacuum error problem
some user were having. please be careful when using this
mask holder.

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