| 320 / | HD | ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING |
|
| FOR 101 |  | BATTERY CHARGING AND/OR DISCHARGING (320/2) {15} |
| FOR 102 | DF | .~> Including dry cells or primary batteries (320/3) {1} |
| FOR 104 | DF | .~> Combined charging and discharging (320/5) {5} |
| FOR 114 | DF | .~> Plural, diversely treated, batteries (320/15) {3} |
| FOR 119 | DF | .~> High-rate, short-time charging systems (320/20) |
| FOR 120 | DF | .~> Periodic or intermittent charging or discharging (320/21) |
| FOR 121 | DF | .~> Plural rates of charging or discharging (320/22) {1} |
| FOR 124 | DF | .~> With polarity control (320/25) {1} |
| FOR 126 | DF | .~> Combined control of source and charging circuit (320/27) {1} |
| FOR 128 | DF | .~> Combined circuit regulation and circuit-making and/or breaking (320/29) |
| FOR 129 | DF | .~> Control responsive to predetermined conditions (320/30) {7} |
| FOR 147 | DF | .~> With indicating, signaling and/or testing means (320/48) |
| FOR 148 | DF | .~> Battery circuit control (320/49) {4} |
| FOR 155 | DF | .~> Plural, diverse or diversely treated sources of supply for charging (320/56) |
| FOR 156 | DF | .~> Rectifying systems for battery charging (320/57) {2} |
| FOR 160 | DF | .~> Generation systems for battery charging (320/61) {4} |