论文部分内容阅读
由华嘉(SIBER HEGNER)香港有限公司机器部和北美公司组织的“美国铸造机械技术交流会”,于1989年2月20日到3月3日分别在上海、沈阳、重庆等地举行.
The United States Casting Machinery Technology Symposium organized by the Machinery Department of SIBER HEGNER Hong Kong Ltd. and North American companies was held in Shanghai, Shenyang and Chongqing from February 20 to March 3, 1989 respectively.