International Organization for Standardization (ISO)
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ISO 2772-2:1974
Scope
Specifies the pratical test to be carried out for checking these drilling machines and is a continuation of ISO 2772-1. The annex shows a graph giving the axial force F as a function of the drilling capacity of the machine.
ISO 2772-2:1974 history
1974ISO 2772-2:1974 Test conditions for box type vertical drilling machines; Testing of the accuracy; Part II : Practical test