ANSI-X3.21 › Rectangular Holes in Twelve-Row Punched Cards

ANSI-X3.21 - RENUMBERED - CURRENT -- See the following: ANSI/INCITS-21 PDF
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Rectangular Holes in Twelve-Row Punched Cards


 

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Document Number

ANSI-X3.21

Revision Level

RENUMBERED

Status

Current

Publication Date

Jan. 1, 2000