C25C1/00	7	Electrolytic production, recovery or refining of metals by electrolysis of solutions (C25C5/00 takes precedence)	C25C1/00	C25C1/00		621
C25C1/02	8	of light metals	C25C1/02	C25C1/02		319
C25C1/04	9	in mercury cathode cells	C25C1/04	C25C1/04		28
C25C1/06	8	or iron group metals, refractory metals or manganese	C25C1/06	C25C1/06		450
C25C1/08	9	of nickel or cobalt	C25C1/08	C25C1/08		817
C25C1/10	9	of chromium or manganese	C25C1/10	C25C1/10		547
C25C1/12	8	of copper	C25C1/12	C25C1/12		2467
C25C1/14	8	of tin	C25C1/14	C25C1/14		369
C25C1/16	8	of zinc, cadmium or mercury	C25C1/16	C25C1/16		1190
C25C1/18	8	of lead	C25C1/18	C25C1/18		458
C25C1/20	8	of noble metals	C25C1/20	C25C1/20		1135
C25C1/22	8	of metals not provided for in groups C25C1/02&#160;-&#160;C25C1/20	C25C1/22	C25C1/22		664
C25C1/24	8	Alloys obtained by cathodic reduction of all their ions	C25C1/24	C25C1/24		154
C25C3/00	7	Electrolytic production, recovery or refining of metals by electrolysis of melts (C25C5/00 takes precedence)	C25C3/00	C25C3/00		396
C25C3/02	8	of alkali or alkaline earth metals	C25C3/02	C25C3/02		594
C25C3/04	8	of magnesium	C25C3/04	C25C3/04		482
C25C3/06	8	of aluminium	C25C3/06	C25C3/06		1124
C25C3/08	9	Cell construction, e.g. bottoms, walls, cathodes	C25C3/08	C25C3/08		1569
C25C3/085	10	{characterised by its non electrically conducting heat insulating parts}	C25C3/08	C25C3/08		191
C25C3/10	10	External supporting frames or structures	C25C3/10	C25C3/10		162
C25C3/12	10	Anodes	C25C3/12	C25C3/12		814
C25C3/125	11	{based on carbon}	C25C3/12	C25C3/12		1094
C25C3/14	9	Devices for feeding or crust breaking	C25C3/14	C25C3/14		549
C25C3/16	9	Electric current supply devices, e.g. bus bars	C25C3/16	C25C3/16		745
C25C3/18	9	Electrolytes	C25C3/18	C25C3/18		324
C25C3/20	9	Automatic control or regulation of cells (controlling or regulating in general G05)	C25C3/20	C25C3/20		841
C25C3/22	9	Collecting emitted gases	C25C3/22	C25C3/22		405
C25C3/24	9	Refining	C25C3/24	C25C3/24		165
C25C3/26	8	of titanium, zirconium, hafnium, tantalum or vanadium	C25C3/26	C25C3/26		279
C25C3/28	9	of titanium	C25C3/28	C25C3/28		390
C25C3/30	8	of manganese	C25C3/30	C25C3/30		96
C25C3/32	8	of chromium	C25C3/32	C25C3/32		67
C25C3/34	8	of metals not provided for in groups C25C3/02&#160;-&#160;C25C3/32	C25C3/34	C25C3/34		1149
C25C3/36	8	Alloys obtained by cathodic reduction of all their ions	C25C3/36	C25C3/36		434
C25C5/00	7	Electrolytic production, recovery or refining of metal powders or porous metal masses	C25C5/00	C25C5/00		76
C25C5/02	8	from solutions	C25C5/02	C25C5/02		841
C25C5/04	8	from melts	C25C5/04	C25C5/04		204
C25C7/00	7	Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells (for the production of aluminium C25C3/06&#160;-&#160;C25C3/22)	C25C7/00	C25C7/00		1975
C25C7/002	8	{of cells comprising at least an electrode made of particles (C25C7/005, C25C7/02&#160;-&#160;C25C7/06 take precedence)}	C25C7/00	C25C7/00		120
C25C7/005	8	{of cells for the electrolysis of melts (C25C7/02&#160;-&#160;C25C7/06 take precedence)}	C25C7/00	C25C7/00		1052
C25C7/007	8	{of cells comprising at least a movable electrode (C25C7/002, C25C7/02&#160;-&#160;C25C7/06 take precedence)}	C25C7/00	C25C7/00		191
C25C7/02	8	Electrodes (consumable anodes for the refining the metals C25C1/00&#160;-&#160;C25C5/00); Connections thereof	C25C7/02	C25C7/02		2285
C25C7/025	9	{used in cells for the electrolysis of melts}	C25C7/02	C25C7/02		799
C25C7/04	8	Diaphragms; Spacing elements	C25C7/04	C25C7/04		458
C25C7/06	8	Operating or servicing	C25C7/06	C25C7/06		2654
C25C7/08	9	Separating of deposited metals from the cathode	C25C7/08	C25C7/08		611
