RT @ParticulateM: The Beijing Municipal Science & Technology Commission on Wednesday reached a deal to buy PM2.5 protection device …

The Beijing Municipal Science & Technology Commission on Wednesday reached a deal to buy PM2.5 protection devices..

Source Article from http://twitter.com/ExternalLinkGen/statuses/313425423780429825
RT @ParticulateM: The Beijing Municipal Science & Technology Commission on Wednesday reached a deal to buy PM2.5 protection device …
http://twitter.com/ExternalLinkGen/statuses/313425423780429825
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