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第11届2017第六届中国国际老龄产业博览会观众预登记通道,将于2017年5月开启,
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Upgrade: Natural plant fibers+new nanomaterials= New type of formaldehyde removal star Surface area: The adsorption ratio is larger than the surface area, allowing for more complete interaction with the air Exposure to formaldehyde Persistent: Active adsorption of formaldehyde can last for 1095 days