SNV NF EN 28233:1991現行
Thermoplastics Valves; Torques; Test Method
出版：Swiss Standards
專家解讀視頻
Specifies a test method for the determination of the opening and closing torque of thermoplastics valves.
"Indice de classement: SNV NF T54-083" (12/2001)
EN 28233:1990 - Identical
NF EN 28233:1991 - Identical
DIN EN 28233 (1991-06) - Identical
ISO 8233:1988 - Identical
DIN EN 28233 : 1991 - Identical
ISO 8233 : 1988(R2014) - Identical
