展会时间:2009-05-11 至 2009-05-13
为推动黑龙江省交通行业的发展,进一步提高黑龙江交通设施及相关行业的技术水平,扩大国内外同行业间的技术交流与合作,黑龙江省公安厅与黑龙江省贸易促进委员会 ...
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