International Conference of the Cneter for High Energy Forming International Conference of the Cneter for High Energy Formin Proceedings;3d international conference of the center for high energy forming Proceedings;4th International Conference of the Center for High Energy Forming (July 12-16,1971)International Conference of the Cneter for High Energy Formin International conference on emerging nuclear energy systems International conference of the Chinese-Language computer Society international conference on higher education reform in China International conference on fluid sealing International Conference on Welding Technology for Energy Applications