CPC Subgroup Additional Only
B01D 2259/45 Gas separation or purification devices adapted for specific applications
Full Title
Type of treatment > Gas separation or purification devices adapted for specific applications
9 direct subcodes
Child Classifications
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- B01D 2259/4508 for cleaning air in buildings
- B01D 2259/4516 for fuel vapour recovery systems
- B01D 2259/4525 for storage and dispensing systems
- B01D 2259/4533 for medical purposes
- B01D 2259/4541 for portable use, e.g. gas masks
- B01D 2259/455 for transportable use
- B01D 2259/4566 for use in transportation means
- B01D 2259/4583 for removing chemical, biological and nuclear warfare agents
- B01D 2259/4591 Construction elements containing cleaning material, e.g. catalysts