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Class Information
Number: D13/12
Name: Equipment for production, distribution, or transformation of energy >

Sub-classes under this class:

Class Number Class Name Patents
D13/100 Solid fuel 45
D13/101 Energy conversion or transformation 97
D13/123 Distribution, modification or control 196
D13/183 Magnet 66
D13/184 Casing or enclosure not elsewhere specified 673
D13/199 Miscellaneous 121

Patents under this class:

Patent Number Title Of Patent Date Issued

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