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B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
B—PERFORMING OPERATIONS; TRANSPORTING
B61—RAILWAYS
B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
B61D29/00—Lighting
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Engineering & Computer Science
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Mechanical Engineering
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Chemical & Material Sciences
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Chemical Kinetics & Catalysis
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Non-Portable Lighting Devices Or Systems Thereof
(AREA)