Occupation standard of People's Republic of China " HG/T 3831-2006 spray gets together Niao defends material " promulgated formally in October 2006, this is a country the first standard of cohesion Niao industry. Carry out date formally to be in on March 1, 2007.
Home gets together first times occupation standard promulgates Niao next year is
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作者：Stand originally
时间：2009-01-03
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