What are the patents of air purifier?

102137413.9a car air purifier

2 0 1 136330.4 air purifier with magnetic generator

301121510.0 absorption liquid air purifier

4 0 1 134887.9 air purifier

5 0 180905 1.6 Portable air purifier for motor vehicle compartment

6 0 18 15095.0 air purifier

7 008 19380.0 air purifier

8 0 18 16082.4 air purifier

9 96 105047.0 charged biphasic filter material for indoor air purifier

10 96120213.0 cigarette air purifier

1196118336.5 Drip air purifier

1296191492.0 air purifier

1387101860 air purifier

1491103122.7 automobile air purifier

1593116962.3 vertical electrostatic precipitator for air purifier

1693 1438+07838+0 portable air purifier

179315438+08838+0 a air cleaner.

18 94 108966.5 air purifier

1994112747.8 filter mechanism of engine air purifier

20 air pollution air purifier 96 1 10536.4

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