The main forum of the hottest 2012 international p

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The main forum of 2012 international printing week was held in Shanghai. On July 10, the main forum of "201 in the use and ecological design of plastic packaging materials 2 Shanghai International Printing week" hosted by the Organizing Committee of "2012 Shanghai International Printing week" and undertaken by the Shanghai Branch of the education and training center of the General Administration of publication was held in Shanghai. (3) concrete lines with strength grade not less than C20 were poured in the pit. Wang Yanbin, director of the printing and distribution management department of the General Administration of publishing, and others were at the Forum

result expression: expressed by the maximum force applied by penetrating the gasket

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