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| Commission code | Commission title |
|---|---|
| CEN/TC 182/WG 007 | JWG CEN/TC 182/CEN/TC 54 Pressure vessels for refrigerating systems |
| CEN/TC 182/WG 009 | Tightness of components |
| CEN/TC 197 | Pumps |
| CEN/TC 197/WG 003 | Test Procedure for Packings for Rotary Applications |
| CEN/TC 234/WG 001 | Gas installations |
| CEN/TC 234/WG 004 | Gas underground storage |
| CEN/TC 235/WG 002 | Elastomers used in gas pressure regulators and associated safety devices for gas transmission and distribution |
| CEN/TC 237/WG 002 | Rotary displacement gas meters |
| CEN/TC 237/WG 004 | Associated conversion devices |
| CEN/TC 238 | Test gases, test pressures and categories of appliances |
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