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’９６河北煤矿技术市场交易会──多经三产信息发布会召开９月２４～２５日，１９９６年河北煤矿技术市场交易会一多经三产信息发布会在邢台召开。来自国家四大信息中心（国家专利局、国家科委、国防科工委、中国科学院）以及部分高校、科研院所ＺＩ个单位的４３位专家学...
’96 Hebei Coal Mine Technology Market Fair ─ ─ more than three production information conference held September 24 ~ 25, 1996, Hebei Coal Mine Technology Market Conference, a multi-production information conference was held in Xingtai. From the four national information centers (National Patent Office, State Science and Technology Commission, National Defense Science and Industry Commission, Chinese Academy of Sciences) and some universities, research institutes ZI units of 43 experts learn ...