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Class Information
Number: 34/39
Name: Drying and gas or vapor contact with solids >

Sub-classes under this class:

Class Number Class Name Patents
34/245 Material treated by electromagnetic energy 33
34/279 Material treated by acoustic energy 13
34/280 Feather treating 1
34/282 Process 34
34/523 Apparatus 48
34/DIG.1 Absorbents and adsorbents 13

Patents under this class:

Patent Number Title Of Patent Date Issued

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