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Class Information
Number:
D23/3
Name:
Environmental heating and cooling; fluid handling and sanitary equipment
>
Description:
Sub-classes under this class:
Class Number
Class Name
Patents
D23/200
Fluid handling or treatment equipment
115
D23/270
Sanitary fixture or housing therefor
12
D23/314
Heating or cooling
96
D23/499
Miscellaneous
16
Patents under this class:
Patent Number
Title Of Patent
Date Issued
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