A provided with a rim and the cover-ku to the lens frame portion of the frame lens with the lens frame and the lens becomes integrally provided, the face-contact portion for close contact with the coated surface and the face that covers the the contained covering Ward the rim to pad ...
Some of the experts in this field believe that national competitiveness has close relation with corporate competitiveness. Thus, in this paper,... M. Mehregan,E. Asgharizadeh,H Safari 被引量: 3发表: 2008年 Energy subsidies removal act; an economic modeling for urea & ammonia industries (Case...