应中国流体工程学会和无锡压缩机厂的邀请,美国普度大学著名空调制冷和压缩机技术专家、现任美国普度大学亥列克研究所所长柯恩(Raymond Cohen)教授偕夫人五月十七日起来华作为期三周的参观访问活动,并在无锡全国性会议上作学术报告。柯恩教授除去无锡、合肥、北京及西安访问于六月四日晚到沪作二天活动。由上海市通用机械技术研究所和上海市制冷学会共同负责 At the invitation of the China Fluid Engineering Society and the Wuxi Compressor Factory, Professor Fredmond Cohen, President of the Haleek Institute, Purdue University, a famous expert in air conditioning, refrigeration and compressor technology at Purdue University, May 17th It took China as a three-week visit and held academic reports at the national conference in Wuxi. Prof. Cohen removed Wuxi, Hefei, Beijing and Xi’an from his visit to Shanghai on the evening of June 4. Shanghai General Machinery Technology Institute and Shanghai Refrigeration Institute