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May 2000

DesignerCouncil@IPC.ORG
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Subject:
Drawing Revision Letters
From:
Mark Walter <[log in to unmask]>
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Date:
Wed, 31 May 2000 15:48:25 -0500
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OK,  all you draftsman out there...

I seem to recall that some letters are not usually used
for drawing revision purposes because they may cause
some confusion.  For example, letter G could look like
C,  Q like O...  Can anyone tell me what specification
specifically calls these out?  Is it Mil-Std-100,
Ansi Y14 or some other?

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