Astm B 389 – 81 (Reapproved 2004) pdf free download

Astm B 389 – 81 (Reapproved 2004) pdf free download

Standard Test Method for Thermal Deflection Rate of Spiral and Helical Coils of Thermostat Metal1 This standard is issued under the fixed designation B 389; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year … Read more