HB 5351.7-2004 Test method for properties of investment casting slurry-Part 7:The torque balance sedimentation analytical method for the determination of refractory powder granularity (English Version)
2004HB 5351.7-2004 Test method for properties of investment casting slurry-Part 7:The torque balance sedimentation analytical method for the determination of refractory powder granularity
1986HB 5351.7-1986 Method for determination of particle size of refractory powder for investment casting (torque balance sedimentation analysis method)