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1997年10月28日,杭州制氧机集团有限公司厂标、商标和服务标识“标识己被最后确认。由工程部潘慈同志主设计的图案获得录用。三位一体”的新38件
On October 28, 1997, the logo, trademark and service mark of Hangzhou Oxygen Concentrator Group Co., Ltd. had been finalized. The pattern designed by Comrade Pan Ci of the Engineering Department was accepted. 38 new in the Trinity.