This standard specifies wheel cylinders for drum brakes (hereinafter referred to as wheel cylinders) that use non-mineral oil-based brake fluids in automobiles.
JIS D 2604:1998 history
2012JIS D 2604:2012 Automotive parts -- Hydraulic brake wheel cylinders for hydraulic brake systems using a non-petroleum base brake fluid
1998JIS D 2604:1998 Automotive parts -- Hydraulic brake wheel cylinders for hydraulic brake systems using a non-petroleum base brake fluid
1989JIS D 2604:1989 Hydraulic brake wheel cylinders for automotive hydraulic brake systems using a non-petroleum base brake fluid