ASTM B 389 – 81 International standard

Standard Test Method for Thermal Deflection Rate of Spiral and Helical Coils of Thermostat Metal1

This trendy is issued under the fixed designation b 389; the range immediately following the designation indicates the 12 months of authentic adoption or, in the case of revision, the year of remaining revision. A range of in parentheses indicates the 12 months of final reapproval. A superscript epsilon (e) indicates an editorial exchange since the ultimate revision or reapproval.

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You can also get ASTM B 388 – 00 International standard

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