1592953398000 1312632483000 term-48957 1616540952808 1312632543000 1616289896945 adlib fitz-online adlib-term-48957 00b65362-0b2b-381f-82c5-393962336cd2 2 1 scope note Devices for removing undesirable gaseous or solid particles from ambient air. MEANS reference term-46423 adlib-term-46423 34a8c784-ca79-31fa-a856-a9c7e70fa50a air filter V.PJ.AFU.ALO.AFU.ALO.ARI.AXC 1 code V.PJ.AFU.ALO.AFU.ALO.ARI.AXC 1 air filters reference term-46447 adlib-term-46447 483f7450-551c-35b6-bce0-29e7c8505e11 <ventilation system components> air filters term