General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 9634.3-2002
Scope
This part of GB/T 9634 specifies the guidelines for the permissible limits of surface defects of ETD cores, E-shaped cores and other similarly shaped cores in compliance with the relevant general principles. This standard can be used as a sub-guideline in the negotiation of surface defects between the core manufacturer and the user.
GB/T 9634.3-2002 history
2002GB/T 9634.3-2002 Ferrite cores--Guide on the limits of surface irregularities--Part 3: ETD-cores and E-cores