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几何尺寸与公差论坛------致力于产品几何量公差标准GD&T (GDT:ASME)|New GPS(ISO)研究/CAD设计/CAM加工/CMM测量 (http://www.dimcax.com/hust/index.php)
-   ISO standards (http://www.dimcax.com/hust/forumdisplay.php?f=7)
-   -   definition alpha numeric fields (http://www.dimcax.com/hust/showthread.php?t=20250)

huangyhg 2009-09-05 06:48 PM

definition alpha numeric fields
 
definition alpha numeric fields
i am looking for a definition of alpha numeric fields that has been adopted by one or more standards organizations.


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