展会时间:2011-03-08 至 2011-03-10
2010长春国际LED、发光体及城市节能照明技术设备展览会经过十三年的发展,已成为吉林省规模最大、影响力最广的专业展会。2010长春国际LED、发光体及城市节能照明 ...
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