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| Class 307 Electric melting furnaces |
|---|
| cpc | description |
| 307/1 | (1) Glass Or Vitreous Type |
| 307/2 | (1) Glass Or Vitreous Type (2) Resistance or Radiant Heating Elements |
| 307/3 | (1) Glass Or Vitreous Type (3) Continuous Flow of Charge |
| 307/4 | (1) Glass Or Vitreous Type (4) Electrode Positioning for Particular Charge Flow |
| 307/5 | (1) Glass Or Vitreous Type (5) Control Systems |
| 307/6 | (6) Continuous Or Self Baking Type |
| 307/7 | (6) Continuous Or Self Baking Type (7) With Electrode Supporting Means |
| 307/8 | (8) Distilling Furnace Type (Using Condensing Chambers) |
| 307/9 | (9) Induction |
| 307/10 | (9) Induction (10) Combined With Other Heating Means |
| 307/11 | (9) Induction (11) Rotating or Tilting |
| 307/12 | (9) Induction (12) Vacuum or Gas Sealed |
| 307/13 | (9) Induction (13) With Stirring |
| 307/14 | (9) Induction (14) With Cooling Means |
| 307/15 | (9) Induction (15) Coils and Cores |
| 307/16 | (16) Arc Or Plasma |
| 307/17 | (16) Arc Or Plasma (17) Combined with Resistance or Radiant Heating Means |
| 307/18 | (16) Arc Or Plasma (18) Rotating or Tilting |
| 307/19 | (16) Arc Or Plasma (19) Vacuum or Gas Sealed |
| 307/20 | (16) Arc Or Plasma (20) Charge or Slag Handling |
| 307/21 | (16) Arc Or Plasma (21) With Cooling Means |
| 307/22 | (16) Arc Or Plasma (22) Control Systems |
| 307/23 | (16) Arc Or Plasma (22) Control Systems (23) Using Magnetic or Electric Fields |
| 307/24 | (16) Arc Or Plasma (24) Electrodes |
| 307/25 | (16) Arc Or Plasma (24) Electrodes (25) Positioning of Electrodes |
| 307/26 | (16) Arc Or Plasma (24) Electrodes (25) Positioning of Electrodes (26) By Hydraulic or Pneumatic Means |
| 307/27 | (16) Arc Or Plasma (24) Electrodes (25) Positioning of Electrodes (27) By Electric Means |
| 307/28 | (28) Resistance |
| 307/29 | (28) Resistance (29) Rotating or Tilting |
| 307/30 | (28) Resistance (30) Vacuum or Gas Sealed |
| 307/31 | (28) Resistance (31) Wall Embedded Heating Means |
| 307/32 | (28) Resistance (32) Control Systems |
| 307/33 | (28) Resistance (33) Shields, Reflectors, Baffles or Muffles |
| 307/34 | (28) Resistance (34) Governed by Smelting Gas Condition |
| 307/35 | (28) Resistance (35) With Furnace Charge |
| 307/36 | (28) Resistance (36) Resistor Structure |
| 307/37 | (37) Rotating Or Tilting |
| 307/38 | (38) Vacuum Or Gas Sealed |
| 307/39 | (39) Charge Or Slag Handling |
| 307/40 | (40) Governed By Smelting Gas Condition |
| 307/41 | (41) Wall Cooled Furnaces |
| 307/42 | (42) Electrodes |
| 307/43 | (42) Electrodes (43) Supports |
| 307/44 | (42) Electrodes (44) Positioning of Electrodes |
| 307/45 | (42) Electrodes (45) Movable |
| 307/46 | (42) Electrodes (46) Connecting, Contacting, or Terminal Means |
| 307/47 | (42) Electrodes (47) Structure |
| 307/48 | (48) Structure |
| 307/49 | (49) Miscellaneous |