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Class Information
Number: 204/89
Name: Chemistry: electrical and wave energy >
Description:

Sub-classes under this class:

Class Number	Class Name	Patents
204/	Processes and products	0
204/	Apparatus (204/193)	0
204/193	Apparatus	111
204/900	Effecting a change in isomerization by wave energy	22
204/901	Effecting a color change by wave energy	10
204/902	Production of desired compound by wave energy in presence of a chemically designated nonreactant chemical treating agent (excluding water, chloroform, carbon tetrachloride, methylene chloride or benzene)	9
204/DIG.12	Electrochemical machining	4
204/DIG.13	Purification and treatment of electroplating baths and plating wastes	162
204/DIG.3	Auxiliary internally generated electrical energy	63
204/DIG.4	Electrolysis cell combined with fuel cell	68
204/DIG.5	Magnetic plus electrolytic	42
204/DIG.6	Unusual non-204 uses of electrolysis	27
204/DIG.7	Current distribution within the bath	148
204/DIG.8	Ac plus dc	28
204/DIG.9	Wave forms	142