Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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B01D
SEPARATION
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46/00
Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
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B01D46/0027
with additional separating or treating functions
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B01D46/0038
with means for influencing the odor, e.g. deodorizing substances
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