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Retrofits in filters for tobacco smoke filters for tobacco smoke retrofits
Retrofits in filters for tobacco smoke filters for tobacco smoke retrofits
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机译:烟草烟雾过滤器的改造烟草烟雾过滤器的改造
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摘要
The polymer is one in which there is halogen substitution of olefins esp PTFE and the loosely packed granules or powder has a particle size of 0.02-2 mm. The powder is enclosed by =1 perforated disc and/or plug of conventional filter material esp. cellulose acetate. Improved health protection.
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