ISO 722:1991
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ISO 722:1991
4954

Abstract

 Preview

Specifies the dimensions for seven nominal sizes. This third edition cancels and replaces the second edition (1985), which has been technically revised (addition of round drill steels and extension of the range of sizes).


General information 

  •  : Published
     : 1991-02
  •  : 3
     : 2
  •  : ISO/TC 82 Mining
  •  :
    73.100.30 Equipment for drilling and mine excavation
    77.140.60 Steel bars and rods

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