sigh007 发表于 2012-3-31 17:53:49

MIL-S-21041C


                   MIL-S-21041C, MILITARY STANDARD: SLOTTED METAL FRAMING, ANGLES AND PANELS (6 JAN 1975)., This specification covers slotted metal angle, metal shelving panels, nuts and bolts for assembly.         
         
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