Standard Specification for Natural Block Mica and Mica Films Suitable for Use in Fixed Mica-Dielectric Capacitors1
This preferred is issued below the fixed designation d 748; the quantity right now following the designation indicates the 12 months of original adoption or, inside the case of revision, the yr of remaining revision. A number in parentheses shows the year of last reapproval. A superscript epsilon (e) suggests a piece of writing change since the final revision or reapproval.
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You can also get ASTM D 747 – 02 International standard