GENEVA, Oct. 3 -- CVC TESTING TECHNOLOGY CO., LTD. (No. 3 Tiantai 1st Road, Huangpu DistrictGuangzhou, Guangdong 510663), 威凯检测技术有限公司 (中国广东省广州市黄埔区天泰一路3号), CVC CERTIFICATION & TESTING CO., LTD. (No. 3 Tiantai 1st Road, Huangpu DistrictGuangzhou, Guangdong 510663), 威凯认证检测有限公司 (中国广东省广州市黄埔区天泰一路3号) filed a patent application (PCT/CN2024/086704) for "MICROBIAL CLEAN AIR DELIVERY RATE TEST M...