314 / | HD | ELECTRIC LAMP AND DISCHARGE DEVICES: CONSUMABLE ELECTRODES |
101 | RELEASABLE ELECTRODE OR RODGRIPPER TYPE {4} | |
102 | DF | .~> Plural clutches |
103 | DF | .~> With separation limit stop |
104 | DF | .~> Magnetic clutch |
105 | DF | .~> Electromagnetically operated {2} |