This standard specifies the method for verifying the force and length height of a compression and tension testing machine (hereinafter referred to as the "testing machine") for coil springs.
JIS B 7738:2001 history
2020JIS B 7738:2020 Calibration and verification of helical compression and extension springs testing machines
2001JIS B 7738:2001 Verification of helical compression and extension springs testing machines
1993JIS B 7738:1993 Testing machines for helical compression and extension springs