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From 1998 to 2007 published the first five batches restrictions and prohibit the use of building materials directory 31 restricted products, 27 prohibited categories of products, continue to be included in 2010 edition of "Beijing to promote, restrict, prohibit the use of building materials directory . " Newly included in the restricted and prohibited categories of products to take effect from the new catalog provides the effective honeycomb paper date of implementation.
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